{"id":27638,"date":"2025-11-25T21:35:19","date_gmt":"2025-11-25T21:35:19","guid":{"rendered":"http:\/\/localhost\/?p=27638"},"modified":"2025-11-25T21:35:19","modified_gmt":"2025-11-25T21:35:19","slug":"victoriametrics-snappy-decoder-dos-vulnerability-is-causing-oom","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=27638","title":{"rendered":"VictoriaMetrics Snappy Decoder DoS Vulnerability is Causing OOM_CVE-2025-65942"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;VictoriaMetrics is a scalable solution for monitoring and managing time series data. In versions from 1.0.0 to before 1.110.23, from 1.111.0 to before 1.122.8, and from 1.123.0 to before 1.129.1, affected versions are vulnerable to DoS attacks because the snappy decoder ignored VictoriaMetrics request size limits allowing malformed blocks to trigger excessive memory use. This could lead to OOM errors and service instability. The fix enforces block-size checks based on MaxRequest limits. This issue has been patched in versions 1.110.23, 1.122.8, and 1.129.1.&#8221;,&#8221;published&#8221;:&#8221;2025-11-25T22:25:46.021Z&#8221;,&#8221;modified&#8221;:&#8221;2025-11-25T22:25:46.021Z&#8221;,&#8221;type&#8221;:&#8221;cve&#8221;,&#8221;title&#8221;:&#8221;VictoriaMetrics Snappy Decoder DoS Vulnerability is Causing OOM&#8221;,&#8221;source&#8221;:&#8221;GitHub_M&#8221;,&#8221;references&#8221;:&#8221;https:\/\/github.com\/VictoriaMetrics\/VictoriaMetrics\/security\/advisories\/GHSA-66jq-2c23-2xh5\\nhttps:\/\/github.com\/VictoriaMetrics\/VictoriaMetrics\/commit\/51b44afd34d2c9a392d4ebedeeb5b4a7f5beca24\\nhttps:\/\/github.com\/VictoriaMetrics\/VictoriaMetrics\/releases\/tag\/v1.110.23\\nhttps:\/\/github.com\/VictoriaMetrics\/VictoriaMetrics\/releases\/tag\/v1.122.8\\nhttps:\/\/github.com\/VictoriaMetrics\/VictoriaMetrics\/releases\/tag\/v1.129.1&#8243;,&#8221;id&#8221;:&#8221;CVE-2025-65942&#8243;,&#8221;bulletinFamily&#8221;:&#8221;&#8221;,&#8221;cwe&#8221;:[&#8220;CWE-770&#8243;],&#8221;cvelist&#8221;:null,&#8221;sourceData&#8221;:&#8221;VictoriaMetrics VictoriaMetrics \\u003e= 1.0.0, \\u003c 1.110.23\\nVictoriaMetrics VictoriaMetrics \\u003e= 1.111.0, \\u003c 1.122.8\\nVictoriaMetrics VictoriaMetrics \\u003e= 1.123.0, \\u003c 1.129.1&#8243;,&#8221;sourceHref&#8221;:&#8221;&#8221;,&#8221;cvss&#8221;:{&#8220;score&#8221;:2.7,&#8221;severity&#8221;:&#8221;LOW&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:N\/AC:L\/PR:H\/UI:N\/S:U\/C:N\/I:N\/A:L&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;&#8221;,&#8221;category_name&#8221;:&#8221;CVE&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;VictoriaMetrics&#8221;,&#8221;version&#8221;:&#8221;\\u003e= 1.0.0, \\u003c 1.110.23&#8243;,&#8221;vendor&#8221;:&#8221;VictoriaMetrics&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;VictoriaMetrics is a scalable solution for monitoring and managing time series data. In versions from 1.0.0 to before 1.110.23, from 1.111.0 to before 1.122.8, and&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,150,12,71,13,7,11,5],"class_list":["post-27638","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-27","tag-exploit","tag-low","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>VictoriaMetrics Snappy Decoder DoS Vulnerability is Causing OOM_CVE-2025-65942 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=27638\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VictoriaMetrics Snappy Decoder DoS Vulnerability is Causing OOM_CVE-2025-65942 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;VictoriaMetrics is a scalable solution for monitoring and managing time series data. 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