{"schema_version":"1.9.0","id":"CVE-2025-31650","published":"2025-04-28T19:14:31.107Z","modified":"2026-08-12T03:51:15.899264517Z","aliases":["BIT-tomcat-2025-31650","GHSA-3p2h-wqq4-wf4h"],"related":["ALSA-2025:11332","ALSA-2025:11333","ALSA-2025:11335","CGA-cjqx-3w5v-62ch","SUSE-SU-2025:01521-1","SUSE-SU-2025:01537-1","SUSE-SU-2025:1521-1","SUSE-SU-2025:1537-1","openSUSE-SU-2025:15048-1","openSUSE-SU-2025:15049-1"],"summary":"Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame","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.\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: 8.5.90 though 8.5.100.\n\n\nUsers are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"ff0629ca2bd82d6bff5245c02b42d932149df34d"},{"fixed":"f8cfae0a0d1c8dc592099a1430cd08e352430823"},{"introduced":"744f57269b2dda2dfcd252fff7f04744a7fcd5b8"},{"fixed":"1ee4bc9109d48cd062d1bc1a4c002358e03455e9"},{"introduced":"6c56147c3966fde5ae34aab2b253593e8700a28c"},{"fixed":"872451298e20bb77ea95c499e6866b1e32b337e0"},{"introduced":"06d0e42e6cd70aae860f164c27d16bdfdfcdc496"},{"last_affected":"de714a23642a4d0baef342db6762a7f7a550d82c"}],"database_specific":{"cpe":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone11:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone12:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone13:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone5:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone6:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone7:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone8:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone9:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0.76"},{"fixed":"9.0.104"},{"introduced":"10.1.10"},{"fixed":"10.1.40"},{"introduced":"11.0.1"},{"fixed":"11.0.6"},{"introduced":"11.0.0-milestone10"},{"last_affected":"11.0.0-milestone10"},{"introduced":"11.0.0-milestone11"},{"last_affected":"11.0.0-milestone11"},{"introduced":"11.0.0-milestone12"},{"last_affected":"11.0.0-milestone12"},{"introduced":"11.0.0-milestone13"},{"last_affected":"11.0.0-milestone13"},{"introduced":"11.0.0-milestone14"},{"last_affected":"11.0.0-milestone14"},{"introduced":"11.0.0-milestone15"},{"last_affected":"11.0.0-milestone15"},{"introduced":"11.0.0-milestone16"},{"last_affected":"11.0.0-milestone16"},{"introduced":"11.0.0-milestone17"},{"last_affected":"11.0.0-milestone17"},{"introduced":"11.0.0-milestone18"},{"last_affected":"11.0.0-milestone18"},{"introduced":"11.0.0-milestone19"},{"last_affected":"11.0.0-milestone19"},{"introduced":"11.0.0-milestone2"},{"last_affected":"11.0.0-milestone2"},{"introduced":"11.0.0-milestone20"},{"last_affected":"11.0.0-milestone20"},{"introduced":"11.0.0-milestone21"},{"last_affected":"11.0.0-milestone21"},{"introduced":"11.0.0-milestone22"},{"last_affected":"11.0.0-milestone22"},{"introduced":"11.0.0-milestone23"},{"last_affected":"11.0.0-milestone23"},{"introduced":"11.0.0-milestone24"},{"last_affected":"11.0.0-milestone24"},{"introduced":"11.0.0-milestone25"},{"last_affected":"11.0.0-milestone25"},{"introduced":"11.0.0-milestone3"},{"last_affected":"11.0.0-milestone3"},{"introduced":"11.0.0-milestone4"},{"last_affected":"11.0.0-milestone4"},{"introduced":"11.0.0-milestone5"},{"last_affected":"11.0.0-milestone5"},{"introduced":"11.0.0-milestone6"},{"last_affected":"11.0.0-milestone6"},{"introduced":"11.0.0-milestone7"},{"last_affected":"11.0.0-milestone7"},{"introduced":"11.0.0-milestone8"},{"last_affected":"11.0.0-milestone8"},{"introduced":"11.0.0-milestone9"},{"last_affected":"11.0.0-milestone9"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["11.0.0-milestone10","11.0.0-milestone11","11.0.0-milestone12","11.0.0-milestone13","11.0.0-milestone14","11.0.0-milestone15","11.0.0-milestone16","11.0.0-milestone17","11.0.0-milestone18","11.0.0-milestone19","11.0.0-milestone2","11.0.0-milestone20","11.0.0-milestone21","11.0.0-milestone22","11.0.0-milestone23","11.0.0-milestone24","11.0.0-milestone25","11.0.0-milestone3","11.0.0-milestone4","11.0.0-milestone5","11.0.0-milestone6","11.0.0-milestone7","11.0.0-milestone8","11.0.0-milestone9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-31650.json"}}],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/04/28/2"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31650.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-31650"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-459"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/31xxx/CVE-2025-31650.json","unresolved_ranges":[{"extracted_events":[{"introduced":"9.0.76"},{"last_affected":"9.0.102"},{"introduced":"10.1.10"},{"last_affected":"10.1.39"},{"introduced":"11.0.0-M2"},{"last_affected":"11.0.5"},{"introduced":"8.5.90"},{"last_affected":"8.5.100"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"9.0.76"},{"fixed":"9.0.102"},{"introduced":"10.1.10"},{"fixed":"10.1.39"},{"introduced":"11.0.0-M2"},{"fixed":"11.0.5"}],"source":"DESCRIPTION"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}