{"id":"UBUNTU-CVE-2025-55668","details":"Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.","modified":"2026-07-30T01:30:21.172651128Z","published":"2025-08-13T14:15:00Z","upstream":["CVE-2025-55668"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-55668"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-55668"},{"type":"REPORT","url":"https://lists.apache.org/thread/v6bknr96rl7l1qxkl1c03v0qdvbbqs47"},{"type":"REPORT","url":"https://github.com/apache/tomcat/commit/90306d971bb8b8393336d893644124fb2ca11d21"},{"type":"REPORT","url":"https://github.com/apache/tomcat/commit/8621e4c6ba2c916a41eb34cb0f781171ead33fb6"},{"type":"REPORT","url":"https://github.com/apache/tomcat/commit/9c3673ba04009377cb0c81ccb6cf5078aec1aa95"}],"affected":[{"package":{"name":"tomcat8","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tomcat8?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.0.26-1","8.0.28-1","8.0.30-1","8.0.32-1","8.0.32-1ubuntu1","8.0.32-1ubuntu1.1","8.0.32-1ubuntu1.2","8.0.32-1ubuntu1.3","8.0.32-1ubuntu1.4","8.0.32-1ubuntu1.5","8.0.32-1ubuntu1.6","8.0.32-1ubuntu1.7","8.0.32-1ubuntu1.8","8.0.32-1ubuntu1.9","8.0.32-1ubuntu1.10","8.0.32-1ubuntu1.11","8.0.32-1ubuntu1.13","8.0.32-1ubuntu1.13+esm1","8.0.32-1ubuntu1.13+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libservlet3.1-java","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"libtomcat8-java","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8-admin","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8-common","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8-docs","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8-examples","binary_version":"8.0.32-1ubuntu1.13+esm2"},{"binary_name":"tomcat8-user","binary_version":"8.0.32-1ubuntu1.13+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55668.json"}},{"package":{"name":"tomcat8","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tomcat8?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.5.21-1ubuntu1","8.5.29-1","8.5.30-1","8.5.30-1ubuntu1","8.5.30-1ubuntu1.2","8.5.30-1ubuntu1.3","8.5.30-1ubuntu1.4","8.5.39-1ubuntu1~18.04.1","8.5.39-1ubuntu1~18.04.2","8.5.39-1ubuntu1~18.04.3","8.5.39-1ubuntu1~18.04.3+esm1","8.5.39-1ubuntu1~18.04.3+esm2","8.5.39-1ubuntu1~18.04.3+esm3","8.5.39-1ubuntu1~18.04.3+esm4","8.5.39-1ubuntu1~18.04.3+esm5","8.5.39-1ubuntu1~18.04.3+esm6"],"ecosystem_specific":{"binaries":[{"binary_version":"8.5.39-1ubuntu1~18.04.3+esm6","binary_name":"libtomcat8-embed-java"},{"binary_version":"8.5.39-1ubuntu1~18.04.3+esm6","binary_name":"libtomcat8-java"},{"binary_version":"8.5.39-1ubuntu1~18.04.3+esm6","binary_name":"tomcat8"},{"binary_name":"tomcat8-admin","binary_version":"8.5.39-1ubuntu1~18.04.3+esm6"},{"binary_version":"8.5.39-1ubuntu1~18.04.3+esm6","binary_name":"tomcat8-common"},{"binary_version":"8.5.39-1ubuntu1~18.04.3+esm6","binary_name":"tomcat8-docs"},{"binary_name":"tomcat8-examples","binary_version":"8.5.39-1ubuntu1~18.04.3+esm6"},{"binary_name":"tomcat8-user","binary_version":"8.5.39-1ubuntu1~18.04.3+esm6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55668.json"}},{"package":{"name":"tomcat9","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.16-3~18.04.1","9.0.16-3ubuntu0.18.04.1","9.0.16-3ubuntu0.18.04.2","9.0.16-3ubuntu0.18.04.2+esm1","9.0.16-3ubuntu0.18.04.2+esm2","9.0.16-3ubuntu0.18.04.2+esm3","9.0.16-3ubuntu0.18.04.2+esm4","9.0.16-3ubuntu0.18.04.2+esm5","9.0.16-3ubuntu0.18.04.2+esm6","9.0.16-3ubuntu0.18.04.2+esm7","9.0.16-3ubuntu0.18.04.2+esm8"],"ecosystem_specific":{"binaries":[{"binary_name":"libtomcat9-embed-java","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"libtomcat9-java","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"tomcat9"},{"binary_name":"tomcat9-admin","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"tomcat9-common","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_name":"tomcat9-docs","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"},{"binary_version":"9.0.16-3ubuntu0.18.04.2+esm8","binary_name":"tomcat9-examples"},{"binary_name":"tomcat9-user","binary_version":"9.0.16-3ubuntu0.18.04.2+esm8"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-55668.json"}},{"package":{"name":"tomcat9","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/tomcat9?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]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