{"id":"CVE-2025-31650","state":"PUBLISHED","title":"Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame","description":"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.","publishedAt":"2025-04-28T19:14:31.107Z","updatedAt":"2025-11-03T19:53:11.497Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Tomcat"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"9.0.76","status":"affected","lessThanOrEqual":"9.0.102","versionType":"semver"},{"version":"10.1.10","status":"affected","lessThanOrEqual":"10.1.39","versionType":"semver"},{"version":"11.0.0-M2","status":"affected","lessThanOrEqual":"11.0.5","versionType":"semver"},{"version":"8.5.90","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826","http://www.openwall.com/lists/oss-security/2025/04/28/2","https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"],"weaknesses":["CWE-459"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/31xxx/CVE-2025-31650.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-31650","state":"PUBLISHED","datePublished":"2025-04-28T19:14:31.107Z","dateUpdated":"2025-11-03T19:53:11.497Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2025-03-31T12:13:57.705Z"},"containers":{"cna":{"title":"Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame","descriptions":[{"lang":"en","value":"Improper Input Validation vulnerability in Apache Tomcat. 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