GHSA-3p2h-wqq4-wf4h
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.
This 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.
Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://nvd.nist.gov/vuln/detail/CVE-2025-31650, https://github.com/apache/tomcat/commit/1eef1dc459c45f1e421d8bd25ef340fc1cc34edc, https://github.com/apache/tomcat/commit/40ae788c2e64d018b4e58cd4210bb96434d0100d, https://github.com/apache/tomcat/commit/75554da2fc5574862510ae6f0d7b3d78937f1d40, https://github.com/apache/tomcat/commit/8cc3b8fb3f2d8d4d6a757e014f19d1fafa948a60, https://github.com/apache/tomcat/commit/b7674782679e1514a0d154166b1d04d38aaac4a9, https://github.com/apache/tomcat/commit/b98e74f517b36929f4208506e5adad22cb767baa, https://github.com/apache/tomcat/commit/cba1a0fe1289ee7f5dd46c61c38d1e1ac5437bff, https://github.com/apache/tomcat/commit/ded0285b96b4d3f5560dfc8856ad5ec4a9b50ba9, https://github.com/apache/tomcat/commit/f619e6a05029538886d5a9d987925d573b5bb8c2, https://github.com/apache/tomcat, https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826, https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html, https://tomcat.apache.org/security-10.html, https://tomcat.apache.org/security-11.html, https://tomcat.apache.org/security-9.html, http://www.openwall.com/lists/oss-security/2025/04/28/2
