{"id":152885,"date":"2026-04-19T14:55:31","date_gmt":"2026-04-19T11:55:31","guid":{"rendered":"https:\/\/www.catonetworks.com\/blog\/cato-ctrl%e8%84%85%e5%a8%81%e3%83%aa%e3%82%b5%e3%83%bc%e3%83%81%ef%bc%9amongodb%e3%81%ae%e6%96%b0%e3%81%9f%e3%81%aa%e8%84%86%e5%bc%b1%e6%80%a7%e3%81%ab%e3%82%88%e3%82%8a%e3%80%81%e3%83%aa\/"},"modified":"2026-04-19T14:56:51","modified_gmt":"2026-04-19T11:56:51","slug":"cato-ctrl-new-mongodb-vulnerability-cve-2026-25611","status":"publish","type":"post","link":"https:\/\/www.catonetworks.com\/ja\/blog\/cato-ctrl-new-mongodb-vulnerability-cve-2026-25611\/","title":{"rendered":"Cato CTRL\u2122\u8105\u5a01\u30ea\u30b5\u30fc\u30c1\uff1aMongoDB\u306e\u65b0\u305f\u306a\u8106\u5f31\u6027\u306b\u3088\u308a\u3001\u30ea\u30e2\u30fc\u30c8\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u5373\u5ea7\u306b\u505c\u6b62\u53ef\u80fd\u306b\uff08CVE-2026-25611\uff09"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"h-executive-summary\">\u8981\u65e8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cato CTRL \u306e\u30b7\u30cb\u30a2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u3067\u3042\u308b Vitaly Simonovich \u306f\u3001\u5727\u7e2e\u6a5f\u80fd\u304c\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e MongoDB \u30d0\u30fc\u30b8\u30e7\u30f3\uff083.4 \u4ee5\u964d\u3002\u306a\u304a 3.6 \u4ee5\u964d\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\uff09\u306b\u5f71\u97ff\u3059\u308b\u65b0\u305f\u306a\u8106\u5f31\u6027 CVE-2026-25611\uff08\u6df1\u523b\u5ea6\uff1aHigh\u3001CVSS \u30b9\u30b3\u30a2 7.5 \/ 10\uff09\u3092\u767a\u898b\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u8106\u5f31\u6027\u306f MongoDB Atlas \u3092\u542b\u3080\u74b0\u5883\u306b\u304a\u3044\u3066\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u653b\u6483\u8005\u304c MongoDB \u30b5\u30fc\u30d0\u30fc\u3092\u30af\u30e9\u30c3\u30b7\u30e5\u3055\u305b\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB Atlas \u306e\u30af\u30e9\u30b9\u30bf\u30fc\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u72b6\u614b\u306b\u306f\u306a\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e IP \u30a2\u30af\u30bb\u30b9\u30ea\u30b9\u30c8\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u307e\u305f\u306f \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u63a5\u7d9a\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e3b\u306a\u30ea\u30b9\u30af\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30a2\u30af\u30bb\u30b9\u8a2d\u5b9a\u3092 \u3069\u3053\u304b\u3089\u3067\u3082\u63a5\u7d9a\u53ef\u80fd\uff080.0.0.0\/0\uff09 \u306b\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u751f\u3058\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u4ef6\u306f\u3001MongoDB \u306e \u30d0\u30b0\u30d0\u30a6\u30f3\u30c6\u30a3\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u901a\u3058\u3066\u8cac\u4efb\u3042\u308b\u5f62\u3067\u5831\u544a\u3055\u308c\u3001\u540c\u793e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u3068\u306e\u9023\u643a\u306b\u3088\u308a\u4fee\u6b63\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Shodan \u306e\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u672c\u7a3f\u57f7\u7b46\u6642\u70b9\u3067 207,000 \u4ee5\u4e0a\u306e MongoDB \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u516c\u958b\u3055\u308c\u305f\u72b6\u614b\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x.png\"><img decoding=\"async\" width=\"1422\" height=\"1168\" src=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x.png\" alt=\"CleanShot\" class=\"wp-image-144705\" srcset=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x.png 1422w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x-300x246.png 300w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x-1024x841.png 1024w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/CleanShot-2026-02-26-at-11.44.48@2x-768x631.png 768w\" sizes=\"(max-width: 1422px) 100vw, 1422px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u56f31\uff1aShodan \u306b\u57fa\u3065\u304f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a MongoDB \u30b5\u30fc\u30d0\u30fc\u306e\u72b6\u6cc1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB Server \u306b\u306f\u3001\u5165\u529b\u5024\u306e\u691c\u8a3c\u3092\u884c\u3046\u524d\u306b\u3001\u653b\u6483\u8005\u304c\u6307\u5b9a\u3057\u305f\u5024\u306b\u57fa\u3065\u3044\u3066\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3066\u3057\u307e\u3046\u5b9f\u88c5\u4e0a\u306e\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6b20\u9665\u306b\u3088\u308a\u3001\u672a\u8a8d\u8a3c\u306e\u653b\u6483\u8005\u3067\u3082\u3001\u7d0447KB\u306e\u30d1\u30b1\u30c3\u30c8\u306748MB\u306e\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u3092\u5f37\u5236\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u308f\u305a\u304b3\u301c10\u7a0b\u5ea6\u306e\u63a5\u7d9a\u3067\u5c0f\u898f\u6a21\u306a MongoDB \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6570\u79d2\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u300164GB\u30af\u30e9\u30b9\u306e\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30b5\u30fc\u30d0\u30fc\u3067\u3082\u3001\u7d041,350\u63a5\u7d9a\u3067\u505c\u6b62\u306b\u8ffd\u3044\u8fbc\u3080\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eca\u56de\u78ba\u8a8d\u3055\u308c\u305f\u554f\u984c\uff1aMongoDB \u306f\u3001OP_COMPRESSED \u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b uncompressedSize \u30d5\u30a3\u30fc\u30eb\u30c9\uff08\u653b\u6483\u8005\u304c\u4efb\u610f\u306b\u6307\u5b9a\u53ef\u80fd\uff09\u3092\u3082\u3068\u306b\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5727\u7e2e\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b\u305d\u306e\u30b5\u30a4\u30ba\u307e\u3067\u89e3\u51cd\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306e\u691c\u8a3c\u304c\u884c\u308f\u308c\u308b\u524d\u306b\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u6319\u52d5\u3092\u60aa\u7528\u3059\u308b\u3068\u3001\u653b\u6483\u8005\u306f \u7d0447KB\u306e\u7d30\u5de5\u3055\u308c\u305f\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3059\u308b\u3060\u3051\u3067\u3001\u63a5\u7d9a\u3054\u3068\u306b48MB\u306e\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u3001\u7d041027:1\u3068\u3044\u3046\u975e\u5e38\u306b\u9ad8\u3044\u5897\u5e45\u7387\u304c\u751f\u3058\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u653b\u6483\u306e\u4ed5\u7d44\u307f\uff1a\u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\u30d1\u30b9\u3067\u306f\u3001message_compressor_manager.cpp \u5185\u3067 SharedBuffer::allocate(uncompressedSize) \u304c\u547c\u3073\u51fa\u3055\u308c\u3001\u5b9f\u969b\u306e\u89e3\u51cd\u51e6\u7406\u304c\u884c\u308f\u308c\u308b\u524d\u306b\u30e1\u30e2\u30ea\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3001\u5b9f\u969b\u306b\u306f\u3054\u304f\u5c0f\u3055\u306a\u30c7\u30fc\u30bf\u3057\u304b\u9001\u4fe1\u3057\u306a\u3044\u4e00\u65b9\u3067\u3001\u89e3\u51cd\u5f8c\u30b5\u30a4\u30ba\u3092\u6975\u7aef\u306b\u5927\u304d\u304f\u507d\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u5927\u5bb9\u91cf\u30e1\u30e2\u30ea\u306e\u5272\u308a\u5f53\u3066\u3092\u5f37\u5236\u3057\u307e\u3059\u3002\u78ba\u4fdd\u3055\u308c\u305f\u30e1\u30e2\u30ea\u306f \u63a5\u7d9a\u304c\u9589\u3058\u3089\u308c\u308b\u307e\u3067\u4fdd\u6301\u3055\u308c\u308b\u305f\u3081\u3001\u77ed\u6642\u9593\u3067\u30e1\u30e2\u30ea\u3092\u67af\u6e07\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u3053\u306e\u554f\u984c\u304c\u91cd\u8981\u3067\u3042\u308b\u7406\u7531\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u524d\u8a8d\u8a3c\u306a\u3057\u3067\u653b\u6483\u53ef\u80fd\uff08Pre-authentication\uff09\uff1a\u8a8d\u8a3c\u60c5\u5831\u306f\u4e0d\u8981\u3067\u3059\u3002\u8a8d\u8a3c\u30c1\u30a7\u30c3\u30af\u304c\u884c\u308f\u308c\u308b\u524d\u306e\u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u51e6\u7406\u6bb5\u968e\u3067\u60aa\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6975\u3081\u3066\u9ad8\u3044\u5897\u5e45\u7387\uff1a\u7d0447KB\u306e\u9001\u4fe1\u3067 48MB\u306e\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u5897\u5e45\u7387\u306f \u7d041027:1 \u306b\u9054\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u653b\u6483\u304c\u975e\u5e38\u306b\u9ad8\u901f\uff1a\u30b5\u30fc\u30d0\u30fc\u306f\u6570\u79d2\u3067\u30e1\u30e2\u30ea\u4e0d\u8db3\uff08OOM\uff09\u306b\u9665\u308a\u505c\u6b62\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070 512MB\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u308f\u305a\u304b10\u63a5\u7d9a\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u3082\u8106\u5f31\uff1aMongoDB \u3067\u306f 3.6\u4ee5\u964d\u3001\u5727\u7e2e\u6a5f\u80fd\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u5727\u7e2e\u6a5f\u80fd\u304c\u6709\u52b9\u306a MongoDB 3.4\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff08\u203b3.6\u4ee5\u964d\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\uff09\u306e\u3046\u3061\u30018.2.4 \/ 8.0.18 \/ 7.0.29 \u3088\u308a\u524d\u306e\u30ea\u30ea\u30fc\u30b9\u304c\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\n<ul class=\"wp-block-list\">\n<li>\u6ce8\u8a18\uff1a\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001MongoDB \u306e\u516c\u5f0f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-scaled.png\"><img decoding=\"async\" width=\"2080\" height=\"1040\" src=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-scaled.png\" alt=\"MongoDB\/-DoS_attack_sequence\" class=\"wp-image-144715\" srcset=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-scaled.png 2080w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-300x150.png 300w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-1024x512.png 1024w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-768x384.png 768w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-1536x768.png 1536w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-2-2048x1024.png 2048w\" sizes=\"(max-width: 2080px) 100vw, 2080px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em><em><em>\u56f32\uff1aMongoDB \u306b\u5bfe\u3059\u308b DoS \u653b\u6483\u306e\u30b7\u30fc\u30b1\u30f3\u30b9<\/p>\n\n\n<a href=\"https:\/\/www.catonetworks.com\/resources\/2025-cato-ctrl-threat-report-rise-of-zero-knowledge-threat-actor\/\" class=\"blog-box-link\">\n2025 Cato CTRL\u2122 Threat Report | Download the report  <span class=\"chevron-wrap\"><\/span><\/a>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-technical-overview\">\u6280\u8853\u6982\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8106\u5f31\u6027\u306e\u8a73\u7d30\u306b\u5165\u308b\u524d\u306b\u3001\u307e\u305a\u4eca\u56de\u306e\u554f\u984c\u306b\u95a2\u4fc2\u3059\u308b MongoDB \u306e\u5185\u90e8\u52d5\u4f5c\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-background-understanding-the-concepts\">\u80cc\u666f\uff1a\u95a2\u9023\u3059\u308b\u57fa\u672c\u6982\u5ff5\u306e\u7406\u89e3<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-mongodb-wire-protocol\">MongoDB \u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB \u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08\u30c9\u30e9\u30a4\u30d0\u30fc\u3001\u30b7\u30a7\u30eb\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff09\u3068 MongoDB \u30b5\u30fc\u30d0\u30fc\u306e\u9593\u3067\u3001TCP\uff08Transmission Control Protocol\uff09\u3092\u4ecb\u3057\u3066\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u30d0\u30a4\u30ca\u30ea\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002MongoDB \u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 \u30dd\u30fc\u30c827017 \u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3092\u5f85\u3061\u53d7\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3079\u3066\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u307e\u305a 16\u30d0\u30a4\u30c8\u306e\u6a19\u6e96\u30d8\u30c3\u30c0\u30fc\u304b\u3089\u59cb\u307e\u308a\u3001\u4ee5\u4e0b\u306e\u60c5\u5831\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>messageLength:<\/strong>\u00a0\u30e1\u30c3\u30bb\u30fc\u30b8\u5168\u4f53\u306e\u30b5\u30a4\u30ba<\/li>\n\n\n\n<li><strong>requestID:<\/strong>\u00a0\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8b58\u5225\u3059\u308b\u30e6\u30cb\u30fc\u30afID<\/li>\n\n\n\n<li><strong>responseTo:<\/strong>\u00a0\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5fdc\u7b54\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u306eID\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5834\u5408\u306f0\uff09<\/li>\n\n\n\n<li><strong>opCode:<\/strong>\u00a0\u64cd\u4f5c\u306e\u7a2e\u985e\uff08\u4f8b\uff1aOP_MSG \u306f 2013\u3001OP_COMPRESSED \u306f 2012\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-op-compressed-wire-protocol-compression\">OP_COMPRESSED\uff1a\u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5727\u7e2e\u6a5f\u80fd<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">OP_COMPRESSED\uff08opcode 2012\uff09 \u306f\u3001MongoDB \u30d0\u30fc\u30b8\u30e7\u30f33.4\u3067\u5c0e\u5165\u3055\u308c\u305f\u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5727\u7e2e\u6a5f\u80fd\u3067\u3059\u3002\u901a\u5e38\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5727\u7e2e\u3057\u3066\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3082\u306e\u3067\u3001\u6a19\u6e96\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30e9\u30c3\u30d7\u3059\u308b\u5f62\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u4ed5\u7d44\u307f\u3067\u306f\u30013\u7a2e\u985e\u306e\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<section class=\"c-block b-title-text-buttons--default c-margin c-margin--bottom-default c-padding c-padding--top-default c-padding--bottom-default c-block b-title-text-buttons b-title-text-buttons--page-cato-ctrl-new-mongodb-vulnerability-cve-2026-25611  align b-title-text-buttons-layout-default b-title-text-buttons-style-default\" id=\"How_to_Implement_ZTNA\">\n\t<div class=\"c-background c-background--container\">\n    \n    \n    <div class=\"c-background__content\">\n\t\t<div class=\"container\">\n\t\t\t<div class=\"b-title-text-buttons__content\">\n\t\t\t\t\t\t\t\t<div class=\"c-text\" >\n\t\t<table>\n<tbody>\n<tr>\n<td><b>compressorId<\/b><\/td>\n<td>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0<\/td>\n<td>\u5099\u8003<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Snappy<\/td>\n<td>\u9ad8\u901f\u3067\u3001\u5727\u7e2e\u7387\u306f\u4e2d\u7a0b\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>zlib<\/td>\n<td>\u5727\u7e2e\u7387\u306f\u9ad8\u3044\u304c\u3001\u51e6\u7406\u306f\u6bd4\u8f03\u7684\u9045\u3044<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>zstd<\/td>\n<td>\u901f\u5ea6\u3068\u5727\u7e2e\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u308b\uff08MongoDB 4.2\u4ee5\u964d\u3067\u5229\u7528\u53ef\u80fd\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\">\u521d\u671f\u306e\u63a5\u7d9a\u51e6\u7406\u306e\u6bb5\u968e\u3067\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u306f\u4f7f\u7528\u3059\u308b\u5727\u7e2e\u65b9\u5f0f\u3092\u76f8\u4e92\u306b\u78ba\u8a8d\u3057\u3001\u5229\u7528\u3059\u308b\u65b9\u5f0f\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u3044\u3063\u305f\u3093\u5408\u610f\u304c\u6210\u7acb\u3059\u308b\u3068\u3001\u53cc\u65b9\u306f\u5727\u7e2e\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u53d7\u4fe1\u5074\u306f compressorId \u30d0\u30a4\u30c8\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u3001\u3069\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u89e3\u51cd\u3059\u3079\u304d\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-the-decompression-flow\">\u89e3\u51cd\u51e6\u7406\u306e\u6d41\u308c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u30fc\u304c OP_COMPRESSED \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001MessageCompressorManager \u304c\u89e3\u51cd\u51e6\u7406\u3092\u62c5\u5f53\u3057\u307e\u3059\u3002\u51e6\u7406\u306e\u6d41\u308c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d8\u30c3\u30c0\u30fc\u3092\u89e3\u6790\u3057\u3001uncompressedSize \u3068 compressorId \u3092\u53d6\u5f97\u3059\u308b<\/li>\n\n\n\n<li>uncompressedSize \u30d0\u30a4\u30c8\u5206\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3059\u308b<\/li>\n\n\n\n<li>\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u305d\u306e\u30d0\u30c3\u30d5\u30a1\u306b\u89e3\u51cd\u3059\u308b<\/li>\n\n\n\n<li>\u89e3\u51cd\u5f8c\u306e\u30b5\u30a4\u30ba\u304c\u3001\u6307\u5b9a\u3055\u308c\u305f\u30b5\u30a4\u30ba\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u691c\u8a3c\u3059\u308b<\/li>\n\n\n\n<li>\u5185\u90e8\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3001\u975e\u5727\u7e2e\u30e1\u30c3\u30bb\u30fc\u30b8\u3068\u3057\u3066\u51e6\u7406\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u306e\u8106\u5f31\u6027\u306f\u3001\u624b\u98062\u304c\u624b\u98064\u3088\u308a\u5148\u306b\u5b9f\u884c\u3055\u308c\u308b\u70b9\u306b\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30b5\u30a4\u30ba\u306e\u59a5\u5f53\u6027\u3092\u78ba\u8a8d\u3059\u308b\u524d\u306b\u3001\u6307\u5b9a\u3055\u308c\u305f\u30b5\u30a4\u30ba\u3092\u305d\u306e\u307e\u307e\u4fe1\u983c\u3057\u3066\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-vulnerable-code-path\">\u8106\u5f31\u306a\u30b3\u30fc\u30c9\u30d1\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8106\u5f31\u6027\u306f\u3001MongoDB \u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u89e3\u51cd\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u306b\u5b58\u5728\u3057\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304c OP_COMPRESSED \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3059\u308b\u3068\u3001\u307e\u305a\u30d1\u30b1\u30c3\u30c8\u30d8\u30c3\u30c0\u30fc\u304b\u3089 uncompressedSize \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3053\u306e\u6642\u70b9\u3067\u306f\u3001\u5727\u7e2e\u30c7\u30fc\u30bf\u304c\u5b9f\u969b\u306b\u305d\u306e\u30b5\u30a4\u30ba\u307e\u3067\u89e3\u51cd\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u306e\u691c\u8a3c\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u3001\u653b\u6483\u8005\u304c\u89e3\u51cd\u5f8c\u30b5\u30a4\u30ba\u3092\u904e\u5927\u306b\u507d\u88c5\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u305d\u306e\u5024\u3092\u4fe1\u3058\u3066\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u308c\u304c\u4eca\u56de\u306e\u8106\u5f31\u6027\u306e\u6839\u672c\u539f\u56e0\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4.png\"><img decoding=\"async\" width=\"1766\" height=\"886\" src=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4.png\" alt=\"MongoDB_vulnerable_code \" class=\"wp-image-144730\" srcset=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4.png 1766w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4-300x151.png 300w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4-1024x514.png 1024w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4-768x385.png 768w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/image4-1536x771.png 1536w\" sizes=\"(max-width: 1766px) 100vw, 1766px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u56f33\uff1aMongoDB \u306e\u8106\u5f31\u306a\u30b3\u30fc\u30c9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u554f\u984c\u70b9\uff1a\u30e1\u30e2\u30ea\u306e\u5272\u308a\u5f53\u3066\u306f 158\u884c\u76ee\u3067\u3001\u4fe1\u983c\u3067\u304d\u306a\u3044\u5165\u529b\u5024\u306b\u57fa\u3065\u3044\u3066\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3001\u305d\u306e\u5024\u306e\u691c\u8a3c\u306f 175\u884c\u76ee\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u691c\u8a3c\u304c\u884c\u308f\u308c\u308b\u6642\u70b9\u3067\u306f\u3001\u3059\u3067\u306b\u30e1\u30e2\u30ea\u78ba\u4fdd\u304c\u5b9f\u884c\u3055\u308c\u305f\u5f8c\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-wire-protocol-structure\">\u30ef\u30a4\u30e4\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u69cb\u9020<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">OP_COMPRESSED \u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u6b21\u306e\u69cb\u9020\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<section class=\"c-block b-title-text-buttons--default c-margin c-margin--bottom-default c-padding c-padding--top-default c-padding--bottom-default c-block b-title-text-buttons b-title-text-buttons--page-cato-ctrl-new-mongodb-vulnerability-cve-2026-25611  align b-title-text-buttons-layout-default b-title-text-buttons-style-default\" id=\"How_to_Implement_ZTNA\">\n\t<div class=\"c-background c-background--container\">\n    \n    \n    <div class=\"c-background__content\">\n\t\t<div class=\"container\">\n\t\t\t<div class=\"b-title-text-buttons__content\">\n\t\t\t\t\t\t\t\t<div class=\"c-text\" >\n\t\t<table>\n<tbody>\n<tr>\n<td>Wire Header\uff0816\u30d0\u30a4\u30c8\uff09<\/td>\n<td>messageLength\u3001requestId\u3001responseTo\u3001opCode=2012<\/td>\n<\/tr>\n<tr>\n<td>originalOpcode<\/td>\n<td>4\u30d0\u30a4\u30c8\uff08\u901a\u5e38\u306f OP_MSG \u306e 2013\uff09<\/td>\n<\/tr>\n<tr>\n<td>uncompressedSize<\/td>\n<td>4\u30d0\u30a4\u30c8 \u2190 \u653b\u6483\u8005\u304c\u4efb\u610f\u306b\u6307\u5b9a\u53ef\u80fd<\/td>\n<\/tr>\n<tr>\n<td>compressorId<\/td>\n<td>1\u30d0\u30a4\u30c8\uff081=snappy\u30012=zlib\u30013=zstd\uff09<\/td>\n<\/tr>\n<tr>\n<td>compressedMessage<\/td>\n<td>\u53ef\u5909\u9577\uff08\u5b9f\u969b\u306e\u5727\u7e2e\u30c7\u30fc\u30bf\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\">uncompressedSize \u30d5\u30a3\u30fc\u30eb\u30c9\u306f 4\u30d0\u30a4\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u7406\u8ad6\u4e0a\u306f \u7d044GB\u307e\u3067\u306e\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059MongoDB \u3067\u306f\u30011\u30e1\u30c3\u30bb\u30fc\u30b8\u3042\u305f\u308a 48MB \u306b\u4e0a\u9650\u304c\u8a2d\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082 \u8907\u6570\u306e\u63a5\u7d9a\u3092\u901a\u3058\u3066\u7e70\u308a\u8fd4\u3057\u8981\u6c42\u3055\u308c\u308b\u3068\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u5927\u304d\u306a\u8ca0\u8377\u3092\u4e0e\u3048\u308b\u306b\u306f\u5341\u5206\u306a\u91cf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-scaled.png\"><img decoding=\"async\" width=\"2080\" height=\"1040\" src=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-scaled.png\" alt=\"legitimate_vs_malicious \" class=\"wp-image-144743\" srcset=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-scaled.png 2080w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-300x150.png 300w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-1024x512.png 1024w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-768x384.png 768w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-1536x768.png 1536w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-4-2048x1024.png 2048w\" sizes=\"(max-width: 2080px) 100vw, 2080px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em><em><em>\u56f34\uff1a\u00a0\u30d1\u30b1\u30c3\u30c8\u69cb\u9020\u306e\u6bd4\u8f03\uff1a\u6b63\u898f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3068\u60aa\u610f\u3042\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-attack-mechanics\">\u653b\u6483\u306e\u4ed5\u7d44\u307f<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u653b\u6483\u8005\u306f\u3001zlib \u3067\u5727\u7e2e\u3057\u305f\u7d0447KB\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\uff08\u5185\u5bb9\u306f\u6b63\u5f53\u306a\u7e70\u308a\u8fd4\u3057\u30c7\u30fc\u30bf\uff09\u3002<\/li>\n\n\n\n<li>\u653b\u6483\u8005\u306f\u307e\u305f\u3001uncompressedSize \u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3001\u8a31\u5bb9\u3055\u308c\u308b\u6700\u5927\u5024\uff0848,000,000\u30d0\u30a4\u30c8\uff09\u3092\u8a2d\u5b9a\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u306f\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u4fe1\u3057\u3001\u30d8\u30c3\u30c0\u30fc\u304b\u3089 uncompressedSize \u3092\u8aad\u307f\u53d6\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30b5\u30fc\u30d0\u30fc\u306f\u89e3\u51cd\u51e6\u7406\u3092\u884c\u3046\u524d\u306b\u300148MB\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306f\u6b63\u5e38\u306b\u89e3\u51cd\u3055\u308c\u308b\u305f\u3081\u51e6\u7406\u81ea\u4f53\u306f\u554f\u984c\u306a\u304f\u5b8c\u4e86\u3057\u307e\u3059\u304c\u3001\u00a0\u78ba\u4fdd\u3055\u308c\u305f\u30e1\u30e2\u30ea\u306f\u305d\u306e\u307e\u307e\u4fdd\u6301\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u653b\u6483\u8005\u306f\u540c\u6642\u63a5\u7d9a\u6570\u3092\u5897\u3084\u3057\u3066\u3044\u304d\u307e\u3059\uff08\u4f8b\uff1a512MB\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u7d0410\u63a5\u7d9a\u30011GB\u3067\u306f\u7d0425\u63a5\u7d9a\u3001\u306a\u3069\uff09\u3002<\/li>\n\n\n\n<li>\u305d\u306e\u7d50\u679c\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u5229\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u3092\u4f7f\u3044\u5207\u308a\u3001\u30ab\u30fc\u30cd\u30eb\u306b\u3088\u3063\u3066 OOM\uff08Out Of Memory\uff09\u3068\u3057\u3066\u5f37\u5236\u7d42\u4e86\u3055\u308c\u307e\u3059\uff08\u7d42\u4e86\u30b3\u30fc\u30c9137\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001\u9001\u4fe1\u3055\u308c\u308b\u5727\u7e2e\u30c7\u30fc\u30bf\u81ea\u4f53\u306f\u6b63\u5f53\u3067\u3042\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u5b9f\u969b\u306b\u6307\u5b9a\u3055\u308c\u305f\u30b5\u30a4\u30ba\u307e\u3067\u89e3\u51cd\u53ef\u80fd\u306a\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u63a5\u7d9a\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u6b21\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5f85\u3061\u7d9a\u3051\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u78ba\u4fdd\u3055\u308c\u305f\u30e1\u30e2\u30ea\u3082\u89e3\u653e\u3055\u308c\u305a\u306b\u6b8b\u308a\u7d9a\u3051\u307e\u3059\u3002\u5b9f\u969b\u306e\u691c\u8a3c\u3067\u306f\u3001512MB\u306e MongoDB \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u308f\u305a\u304b10\u63a5\u7d9a\uff08\u7d04457KB\u306e\u653b\u6483\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\uff09\u3067\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u30018GB\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u3082198\u63a5\u7d9a\uff08\u7d049MB\uff09\u3067\u505c\u6b62\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-connections-required-for-oom\">OOM \u3092\u5f15\u304d\u8d77\u3053\u3059\u305f\u3081\u306b\u5fc5\u8981\u306a\u63a5\u7d9a\u6570<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB \u30d0\u30fc\u30b8\u30e7\u30f38.0\u3092 Docker \u30b3\u30f3\u30c6\u30ca\u4e0a\u3067\u52d5\u4f5c\u3055\u305b\u3001\u30e1\u30e2\u30ea\u5236\u9650\u3092\u5909\u3048\u306a\u304c\u3089\u3001OOM\uff08\u30e1\u30e2\u30ea\u4e0d\u8db3\uff09\u306b\u3088\u308b\u505c\u6b62\u304c\u767a\u751f\u3059\u308b\u307e\u3067\u306b\u5fc5\u8981\u306a\u63a5\u7d9a\u6570\u3092\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002\u5404\u63a5\u7d9a\u306f \u7d0447KB\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u9001\u4fe1\u3057\u307e\u3059\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u306f 48MB\u306e\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u7d041,027\u500d\u3068\u3044\u3046\u6975\u3081\u3066\u9ad8\u3044\u5897\u5e45\u7387\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3066\u8a00\u3048\u3070\u3001\u77ed\u3044\u30e1\u30fc\u30eb1\u901a\u5206\uff0847KB\uff09\u306e\u30c7\u30fc\u30bf\u3092\u9001\u308b\u3060\u3051\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30dd\u30c3\u30c9\u30ad\u30e3\u30b9\u30c81\u672c\u5206\uff0848MB\uff09\u306e\u30e1\u30e2\u30ea\u78ba\u4fdd\u3092\u5f37\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u51e6\u7406\u304c\u63a5\u7d9a\u3054\u3068\u306b\u7e70\u308a\u8fd4\u3055\u308c\u308b\u3053\u3068\u3067\u3001\u77ed\u6642\u9593\u306e\u3046\u3061\u306b\u30e1\u30e2\u30ea\u304c\u67af\u6e07\u3057\u307e\u3059\u3002<\/p>\n\n\n<section class=\"c-block b-title-text-buttons--default c-margin c-margin--bottom-default c-padding c-padding--top-default c-padding--bottom-default c-block b-title-text-buttons b-title-text-buttons--page-cato-ctrl-new-mongodb-vulnerability-cve-2026-25611  align b-title-text-buttons-layout-default b-title-text-buttons-style-default\" id=\"How_to_Implement_ZTNA\">\n\t<div class=\"c-background c-background--container\">\n    \n    \n    <div class=\"c-background__content\">\n\t\t<div class=\"container\">\n\t\t\t<div class=\"b-title-text-buttons__content\">\n\t\t\t\t\t\t\t\t<div class=\"c-text\" >\n\t\t<table>\n<tbody>\n<tr>\n<td>\u30b5\u30fc\u30d0\u30fc\u30e1\u30e2\u30ea<\/td>\n<td>\u5fc5\u8981\u63a5\u7d9a\u6570<\/td>\n<td>\u9001\u4fe1\u30c7\u30fc\u30bf\u91cf<\/td>\n<td>\u5f37\u5236\u30e1\u30e2\u30ea\u78ba\u4fdd\u91cf<\/td>\n<td>\u30af\u30e9\u30c3\u30b7\u30e5\u307e\u3067\u306e\u6642\u9593<\/td>\n<\/tr>\n<tr>\n<td>256 MB<\/td>\n<td>3<\/td>\n<td>137 KB<\/td>\n<td>144 MB<\/td>\n<td>1\u79d2\u672a\u6e80<\/td>\n<\/tr>\n<tr>\n<td>512 MB<\/td>\n<td>10<\/td>\n<td>457 KB<\/td>\n<td>480 MB<\/td>\n<td>\u7d042\u79d2<\/td>\n<\/tr>\n<tr>\n<td>1 GB<\/td>\n<td>25<\/td>\n<td>1.1 MB<\/td>\n<td>1.2 GB<\/td>\n<td>\u7d043\u79d2<\/td>\n<\/tr>\n<tr>\n<td>2 GB<\/td>\n<td>45<\/td>\n<td>2.1 MB<\/td>\n<td>2.2 GB<\/td>\n<td>\u7d044\u79d2<\/td>\n<\/tr>\n<tr>\n<td>4 GB<\/td>\n<td>85<\/td>\n<td>3.9 MB<\/td>\n<td>4.1 GB<\/td>\n<td>\u7d045\u79d2<\/td>\n<\/tr>\n<tr>\n<td>8 GB<\/td>\n<td>198<\/td>\n<td>9.0 MB<\/td>\n<td>9.5 GB<\/td>\n<td>\u7d048\u79d2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a08\u7b97\u5f0f\uff1a\u6700\u5c0f\u63a5\u7d9a\u6570 \u2248 (RAM_MB \u2013 100) \/ 48\nMongoDB \u306f\u30d9\u30fc\u30b9\u52d5\u4f5c\u3060\u3051\u3067 \u7d04100MB\u306e\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u305d\u308c\u4ee5\u5916\u306e\u30e1\u30e2\u30ea\u304c\u653b\u6483\u306e\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u307b\u307c\u6bd4\u4f8b\u3057\u3066\u5897\u52a0\uff1a\u00a0\u5fc5\u8981\u306a\u63a5\u7d9a\u6570\u306f \u30b5\u30fc\u30d0\u30fc\u306e\u30e1\u30e2\u30ea\u5bb9\u91cf\u306b\u307b\u307c\u6bd4\u4f8b\u3057\u3066\u5897\u52a0\u3057\u307e\u3059\uff08\u76ee\u5b89\u3068\u3057\u3066 1GB\u3042\u305f\u308a\u7d0420\u63a5\u7d9a\uff09\u3002<\/li>\n\n\n\n<li>\u3054\u304f\u5c11\u306a\u3044\u901a\u4fe1\u91cf\u3067\u6210\u7acb\uff1a\u00a08GB\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u3082\u3001\u7d049MB\u306e\u653b\u6483\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3067\u505c\u6b62\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u5358\u4e00\u30de\u30b7\u30f3\u304b\u3089\u5b9f\u884c\u53ef\u80fd\uff1a\u00a0\u3053\u308c\u3089\u306e\u30c6\u30b9\u30c8\u306f \u3059\u3079\u3066\u5358\u4e00\u306e\u653b\u6483\u7528\u30de\u30b7\u30f3\u304b\u3089\u5b9f\u65bd\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u904b\u7528\u74b0\u5883\u3078\u306e\u5f53\u3066\u306f\u3081\uff1a<\/p>\n\n\n<section class=\"c-block b-title-text-buttons--default c-margin c-margin--bottom-default c-padding c-padding--top-default c-padding--bottom-default c-block b-title-text-buttons b-title-text-buttons--page-cato-ctrl-new-mongodb-vulnerability-cve-2026-25611  align b-title-text-buttons-layout-default b-title-text-buttons-style-default\" id=\"How_to_Implement_ZTNA\">\n\t<div class=\"c-background c-background--container\">\n    \n    \n    <div class=\"c-background__content\">\n\t\t<div class=\"container\">\n\t\t\t<div class=\"b-title-text-buttons__content\">\n\t\t\t\t\t\t\t\t<div class=\"c-text\" >\n\t\t<table>\n<tbody>\n<tr>\n<td>\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8<\/td>\n<td>\u4e00\u822c\u7684\u306a\u30e1\u30e2\u30ea\u5bb9\u91cf<\/td>\n<td>\u63a8\u5b9a\u5fc5\u8981\u63a5\u7d9a\u6570<\/td>\n<td>\u63a8\u5b9a\u9001\u4fe1\u30c7\u30fc\u30bf\u91cf<\/td>\n<\/tr>\n<tr>\n<td>Atlas M0 (Free)<\/td>\n<td>512 MB<\/td>\n<td>~10<\/td>\n<td>~457 KB<\/td>\n<\/tr>\n<tr>\n<td>Atlas M10<\/td>\n<td>2 GB<\/td>\n<td>~45<\/td>\n<td>~2.1 MB<\/td>\n<\/tr>\n<tr>\n<td>Atlas M30<\/td>\n<td>8 GB<\/td>\n<td>~198<\/td>\n<td>~9.0 MB<\/td>\n<\/tr>\n<tr>\n<td>Atlas M60<\/td>\n<td>32 GB<\/td>\n<td>~680<\/td>\n<td>~31 MB<\/td>\n<\/tr>\n<tr>\n<td>\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba<\/td>\n<td>64 GB<\/td>\n<td>~1363<\/td>\n<td>~64 MB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t<\/div>\n\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n<\/section>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u7d50\u679c\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u5341\u5206\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u5099\u3048\u305f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u3067\u3042\u3063\u3066\u3082\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u4e00\u822c\u7684\u306a\u5bb6\u5ead\u7528\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u304b\u3089\u3067\u3082\u300164GB\u306e MongoDB \u30b5\u30fc\u30d0\u30fc\u30921\u5206\u672a\u6e80\u3067\u505c\u6b62\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-scaled.png\"><img decoding=\"async\" width=\"2080\" height=\"981\" src=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-scaled.png\" alt=\"Number_of_connections\" class=\"wp-image-144759\" srcset=\"https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-scaled.png 2080w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-300x142.png 300w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-1024x483.png 1024w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-768x362.png 768w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-1536x725.png 1536w, https:\/\/www.catonetworks.com\/wp-content\/uploads\/2026\/03\/Diagram-1-2048x966.png 2048w\" sizes=\"(max-width: 2080px) 100vw, 2080px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em><em><em>\u56f35\uff1a\u00a0MongoDB \u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u63a5\u7d9a\u6570<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">\u7d50\u8ad6<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u660e\u3089\u304b\u306b\u306a\u3063\u305f MongoDB \u306e\u8106\u5f31\u6027\u306f\u3001\u653b\u6483\u8005\u304c MongoDB \u30b5\u30fc\u30d0\u30fc\u3092\u505c\u6b62\u306b\u8ffd\u3044\u8fbc\u3080\u3053\u3068\u3092\u53ef\u80fd\u306b\u3059\u308b\u3082\u306e\u3067\u3059\u3002Shodan \u306e\u30c7\u30fc\u30bf\u306b\u3088\u308b\u3068\u3001\u672c\u7a3f\u57f7\u7b46\u6642\u70b9\u3067 207,000\u4ee5\u4e0a\u306e MongoDB \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u6765\u3001MongoDB \u306e\u5727\u7e2e\u6a5f\u80fd\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u3092\u76ee\u7684\u3068\u3057\u3066\u5c0e\u5165\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u8106\u5f31\u6027\u306b\u3088\u308a \u653b\u6483\u306e\u5165\u53e3\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u7b56\u81ea\u4f53\u306f\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002\u30e1\u30e2\u30ea\u3092\u5272\u308a\u5f53\u3066\u308b\u524d\u306b\u3001uncompressedSize \u306e\u5024\u304c \u5b9f\u969b\u306e\u5727\u7e2e\u30c7\u30fc\u30bf\u306e\u9577\u3055\u3068\u6574\u5408\u3057\u3066\u3044\u308b\u304b\u3092\u691c\u8a3c\u3059\u3079\u304d\u3067\u3059\u3002\u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u306f\u7406\u8ad6\u4e0a\u306e\u5727\u7e2e\u7387\u306e\u4e0a\u9650\u304c\u3042\u308a\u3001\u4f8b\u3048\u3070 zlib \u304c\u30e9\u30f3\u30c0\u30e0\u30c7\u30fc\u30bf\u3092 1027:1 \u306e\u6bd4\u7387\u3067\u5727\u7e2e\u3059\u308b\u3053\u3068\u306f\u73fe\u5b9f\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u63a5\u7d9a\u3054\u3068\u306b\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u304c\u7a4d\u307f\u91cd\u306a\u308b\u3053\u3068\u3067\u3001\u6700\u7d42\u7684\u306b\u306f MongoDB \u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5404\u7d44\u7e54\u306f\u3001\u81ea\u793e\u306e MongoDB \u74b0\u5883\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u76f4\u63a5\u516c\u958b\u3059\u308b\u5fc5\u8981\u304c\u672c\u5f53\u306b\u3042\u308b\u306e\u304b\u3092\u6539\u3081\u3066\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-protections\">\u9632\u5fa1\u7b56<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB \u5229\u7528\u8005\u5411\u3051\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u306e\u5236\u9650\uff1a\u00a0\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084 VPN \u3092\u5229\u7528\u3057\u3001MongoDB \u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u4fe1\u983c\u3067\u304d\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u9650\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u63a5\u7d9a\u6570\u306e\u5236\u9650\uff1a\u00a0maxIncomingConnections \u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3068\u3082\u306b\u3001OS \u30ec\u30d9\u30eb\u3067\u3082\u63a5\u7d9a\u30ec\u30fc\u30c8\u5236\u9650\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996\uff1a\u00a0\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u7570\u5e38\u306a\u5897\u52a0\u3092\u691c\u77e5\u3067\u304d\u308b\u3088\u3046\u3001\u76e3\u8996\u3068\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u5727\u7e2e\u6a5f\u80fd\u306e\u7121\u52b9\u5316\u306e\u691c\u8a0e\uff1a\u00a0\u5727\u7e2e\u306b\u3088\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u5c0f\u3055\u3044\u74b0\u5883\u3067\u306f\u3001&#8211;networkMessageCompressors=disabled \u3092\u8a2d\u5b9a\u3057\u3001\u5727\u7e2e\u6a5f\u80fd\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3082\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5727\u7e2e\u6a5f\u80fd\u304c\u6709\u52b9\u306a MongoDB 3.4\u4ee5\u964d\uff08\u203b3.6\u4ee5\u964d\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\uff09\u306e\u3046\u3061\u30018.2.4 \/ 8.0.18 \/ 7.0.29 \u3088\u308a\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u8a72\u5f53\u3059\u308b\u5834\u5408\u306f\u3001\u4fee\u6b63\u6e08\u307f\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cato \u5229\u7528\u8005\u5411\u3051\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IPS \u4fdd\u8b77\uff1a\u00a0Cato \u306e IPS \u306f\u3001MongoDB \u3092\u72d9\u3046 \u4e0d\u6b63\u306a OP_COMPRESSED \u30d1\u30b1\u30c3\u30c8\u3084\u3001\u7570\u5e38\u306a\u63a5\u7d9a\u30d1\u30bf\u30fc\u30f3\u3092\u691c\u77e5\u3057\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5206\u96e2\uff1aCato SASE \u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u901a\u4fe1\u3092\u4fe1\u983c\u3067\u304d\u306a\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5206\u96e2\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>MDR \u306b\u3088\u308b\u76e3\u8996\u00a0Cato MDR \u306f\u3001\u63a5\u7d9a\u30d5\u30e9\u30c3\u30c9\u3084\u7570\u5e38\u306a\u30d1\u30b1\u30c3\u30c8\u30b5\u30a4\u30ba\u306a\u3069\u3001MongoDB \u3092\u6a19\u7684\u3068\u3057\u305f\u4e0d\u5be9\u306a\u901a\u4fe1\u30d1\u30bf\u30fc\u30f3\u3092\u5206\u6790\u30fb\u5bfe\u5fdc\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-indicators-of-compromise-iocs\">\u4fb5\u5bb3\u306e\u6307\u6a19\uff08IoC\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u5146\u5019\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u4e00\u306e\u9001\u4fe1\u5143\u304b\u3089 \u30dd\u30fc\u30c827017\uff08\u307e\u305f\u306f\u8a2d\u5b9a\u3055\u308c\u305f MongoDB \u30dd\u30fc\u30c8\uff09\u3078\u306e\u5927\u91cf\u306e TCP \u63a5\u7d9a<\/li>\n\n\n\n<li>OP_COMPRESSED \u30d1\u30b1\u30c3\u30c8\uff08opCode 2012\uff09\u3067\u3001uncompressedSize \u304c\u5927\u304d\u304f\uff0810MB\u4ee5\u4e0a\uff09\u3001\u3057\u304b\u3057 \u30d1\u30b1\u30c3\u30c8\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u306f\u5c0f\u3055\u3044\uff08100KB\u672a\u6e80\uff09<\/li>\n\n\n\n<li>\u63a5\u7d9a\u304c\u77ed\u6642\u9593\u3067\u5927\u91cf\u306b\u78ba\u7acb\u3055\u308c\u3001\u305d\u306e\u5f8c \u30a2\u30a4\u30c9\u30eb\u72b6\u614b\u306e\u63a5\u7d9a\u304c\u7dad\u6301\u3055\u308c\u308b<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u5146\u5019\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MongoDB \u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u6025\u6fc0\u306b\u5897\u52a0<\/li>\n\n\n\n<li>\u30b7\u30b9\u30c6\u30e0\u30ed\u30b0\u306b OOM Killer \u306b\u3088\u308b mongod \u30d7\u30ed\u30bb\u30b9\u306e\u7d42\u4e86\u30a4\u30d9\u30f3\u30c8<\/li>\n\n\n\n<li>MongoDB \u306e\u7d42\u4e86\u30b3\u30fc\u30c9 137\uff08OOM \u306b\u3088\u308b SIGKILL\uff09<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>\u8981\u65e8 Cato CTRL \u306e\u30b7\u30cb\u30a2\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b5\u30fc\u30c1\u30e3\u30fc\u3067\u3042\u308b Vitaly Simonovich \u306f\u3001\u5727\u7e2e&#8230;<\/p>\n","protected":false},"author":175,"featured_media":144867,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"coauthors":[1156],"class_list":["post-152885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-21"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>MongoDB\u306e\u65b0\u305f\u306a\u8106\u5f31\u6027\u304c\u767a\u898b\uff08CVE-2026-25611\uff09<\/title>\n<meta name=\"description\" content=\"Cato CTRL \u306f\u3001210,000\u4ee5\u4e0a\u306e MongoDB 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