{"id":"UBUNTU-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. 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.","modified":"2026-01-30T02:13:49.413785Z","published":"2025-04-28T20:15:00Z","related":["USN-7705-1"],"upstream":["CVE-2025-31650"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-31650"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-31650"},{"type":"REPORT","url":"https://lists.apache.org/thread/j6zzk0y3yym9pzfzkq5vcyxzz0yzh826"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2025/04/28/2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7705-1"}],"affected":[{"package":{"name":"tomcat10","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/tomcat10@10.1.16-1ubuntu0.1~esm3?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.1.16-1ubuntu0.1~esm3"}]}],"versions":["10.1.10-1","10.1.14-1","10.1.15-1","10.1.16-1","10.1.16-1ubuntu0.1~esm1","10.1.16-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtomcat10-embed-java","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_name":"libtomcat10-java","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_name":"tomcat10","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_version":"10.1.16-1ubuntu0.1~esm3","binary_name":"tomcat10-admin"},{"binary_name":"tomcat10-common","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_name":"tomcat10-docs","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_name":"tomcat10-examples","binary_version":"10.1.16-1ubuntu0.1~esm3"},{"binary_name":"tomcat10-user","binary_version":"10.1.16-1ubuntu0.1~esm3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}