{"id":"CVE-2025-31650","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.","aliases":["BIT-tomcat-2025-31650","GHSA-3p2h-wqq4-wf4h"],"modified":"2026-04-16T00:06:35.395398899Z","published":"2025-04-28T20:15:20.653Z","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"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2025/04/28/2"},{"type":"ARTICLE","url":"https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2025/04/28/2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"6c56147c3966fde5ae34aab2b253593e8700a28c"},{"fixed":"872451298e20bb77ea95c499e6866b1e32b337e0"},{"introduced":"744f57269b2dda2dfcd252fff7f04744a7fcd5b8"},{"fixed":"1ee4bc9109d48cd062d1bc1a4c002358e03455e9"},{"introduced":"ff0629ca2bd82d6bff5245c02b42d932149df34d"},{"fixed":"f8cfae0a0d1c8dc592099a1430cd08e352430823"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-31650.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}