{"schema_version":"1.7.3","id":"GHSA-3p2h-wqq4-wf4h","published":"2025-04-28T21:30:43Z","modified":"2026-02-04T02:33:55.411813Z","aliases":["BIT-tomcat-2025-31650","CVE-2025-31650"],"related":["CGA-cjqx-3w5v-62ch"],"summary":"Apache Tomcat Denial of Service via invalid HTTP priority header","details":"Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service.\n\nThis issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.90 though 8.5.100.\n\nUsers are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.","affected":[{"package":{"name":"org.apache.tomcat:tomcat-coyote","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.76"},{"fixed":"9.0.104"}]}],"versions":["9.0.100","9.0.102","9.0.76","9.0.78","9.0.79","9.0.80","9.0.81","9.0.82","9.0.83","9.0.84","9.0.85","9.0.86","9.0.87","9.0.88","9.0.89","9.0.90","9.0.91","9.0.93","9.0.94","9.0.95","9.0.96","9.0.97","9.0.98","9.0.99"],"database_specific":{"last_known_affected_version_range":"<= 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9.0.102","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-3p2h-wqq4-wf4h/GHSA-3p2h-wqq4-wf4h.json"}},{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.1.10"},{"fixed":"10.1.40"}]}],"versions":["10.1.10","10.1.11","10.1.12","10.1.13","10.1.14","10.1.15","10.1.16","10.1.17","10.1.18","10.1.19","10.1.20","10.1.23","10.1.24","10.1.25","10.1.26","10.1.28","10.1.29","10.1.30","10.1.31","10.1.33","10.1.34","10.1.35","10.1.36","10.1.39"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-3p2h-wqq4-wf4h/GHSA-3p2h-wqq4-wf4h.json"}},{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0-M2"},{"fixed":"11.0.6"}]}],"versions":["11.0.0","11.0.0-M10","11.0.0-M11","11.0.0-M12","11.0.0-M13","11.0.0-M14","11.0.0-M15","11.0.0-M16","11.0.0-M17","11.0.0-M18","11.0.0-M19","11.0.0-M20","11.0.0-M21","11.0.0-M22","11.0.0-M24","11.0.0-M25","11.0.0-M26","11.0.0-M3","11.0.0-M4","11.0.0-M5","11.0.0-M6","11.0.0-M7","11.0.0-M9","11.0.1","11.0.2","11.0.3","11.0.4","11.0.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-3p2h-wqq4-wf4h/GHSA-3p2h-wqq4-wf4h.json"}},{"package":{"name":"org.apache.tomcat:tomcat-coyote","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat/tomcat-coyote"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.5.0"},{"last_affected":"8.5.100"}]}],"versions":["8.5.0","8.5.100","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.16","8.5.19","8.5.2","8.5.20","8.5.21","8.5.23","8.5.24","8.5.27","8.5.28","8.5.29","8.5.3","8.5.30","8.5.31","8.5.32","8.5.33","8.5.34","8.5.35","8.5.37","8.5.38","8.5.39","8.5.4","8.5.40","8.5.41","8.5.42","8.5.43","8.5.45","8.5.46","8.5.47","8.5.49","8.5.5","8.5.50","8.5.51","8.5.53","8.5.54","8.5.55","8.5.56","8.5.57","8.5.58","8.5.59","8.5.6","8.5.60","8.5.61","8.5.63","8.5.64","8.5.65","8.5.66","8.5.68","8.5.69","8.5.70","8.5.71","8.5.72","8.5.73","8.5.75","8.5.76","8.5.77","8.5.78","8.5.79","8.5.8","8.5.81","8.5.82","8.5.83","8.5.84","8.5.85","8.5.86","8.5.87","8.5.88","8.5.89","8.5.9","8.5.90","8.5.91","8.5.92","8.5.93","8.5.94","8.5.95","8.5.96","8.5.97","8.5.98","8.5.99"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-3p2h-wqq4-wf4h/GHSA-3p2h-wqq4-wf4h.json"}},{"package":{"name":"org.apache.tomcat.embed:tomcat-embed-core","ecosystem":"Maven","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.5.0"},{"last_affected":"8.5.100"}]}],"versions":["8.5.0","8.5.100","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.16","8.5.19","8.5.2","8.5.20","8.5.21","8.5.23","8.5.24","8.5.27","8.5.28","8.5.29","8.5.3","8.5.30","8.5.31","8.5.32","8.5.33","8.5.34","8.5.35","8.5.37","8.5.38","8.5.39","8.5.4","8.5.40","8.5.41","8.5.42","8.5.43","8.5.45","8.5.46","8.5.47","8.5.49","8.5.5","8.5.50","8.5.51","8.5.53","8.5.54","8.5.55","8.5.56","8.5.57","8.5.58","8.5.59","8.5.6","8.5.60","8.5.61","8.5.63","8.5.64","8.5.65","8.5.66","8.5.68","8.5.69","8.5.70","8.5.71","8.5.72","8.5.73","8.5.75","8.5.76","8.5.77","8.5.78","8.5.79","8.5.8","8.5.81","8.5.82","8.5.83","8.5.84","8.5.85","8.5.86","8.5.87","8.5.88","8.5.89","8.5.9","8.5.90","8.5.91","8.5.92","8.5.93","8.5.94","8.5.95","8.5.96","8.5.97","8.5.98","8.5.99"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/04/GHSA-3p2h-wqq4-wf4h/GHSA-3p2h-wqq4-wf4h.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31650"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/1eef1dc459c45f1e421d8bd25ef340fc1cc34edc"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/40ae788c2e64d018b4e58cd4210bb96434d0100d"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/75554da2fc5574862510ae6f0d7b3d78937f1d40"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/8cc3b8fb3f2d8d4d6a757e014f19d1fafa948a60"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/b7674782679e1514a0d154166b1d04d38aaac4a9"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/b98e74f517b36929f4208506e5adad22cb767baa"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/cba1a0fe1289ee7f5dd46c61c38d1e1ac5437bff"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/ded0285b96b4d3f5560dfc8856ad5ec4a9b50ba9"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/f619e6a05029538886d5a9d987925d573b5bb8c2"},{"type":"PACKAGE","url":"https://github.com/apache/tomcat"},{"type":"WEB","url":"https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-10.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-11.html"},{"type":"WEB","url":"https://tomcat.apache.org/security-9.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/04/28/2"}],"database_specific":{"cwe_ids":["CWE-459","CWE-460"],"github_reviewed":true,"github_reviewed_at":"2025-04-29T14:59:22Z","nvd_published_at":"2025-04-28T20:15:20Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U"}]}