{"id":"UBUNTU-CVE-2024-23672","details":"Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.","modified":"2026-07-15T19:45:44.217454191Z","published":"2024-03-13T16:15:00Z","related":["USN-7106-1","USN-7562-1"],"upstream":["CVE-2024-23672"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-23672"},{"type":"REPORT","url":"https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f"},{"type":"REPORT","url":"https://github.com/apache/tomcat/commit/0052b374684b613b0c849899b325ebe334ac6501"},{"type":"REPORT","url":"https://github.com/apache/tomcat/commit/52d6650e062d880704898d7d8c1b2b7a3efe8068"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2024-23672"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7106-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7562-1"}],"affected":[{"package":{"name":"tomcat7","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/tomcat7?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.42-1","7.0.47-1","7.0.50-1","7.0.52-1","7.0.52-1ubuntu0.1","7.0.52-1ubuntu0.3","7.0.52-1ubuntu0.6","7.0.52-1ubuntu0.7","7.0.52-1ubuntu0.8","7.0.52-1ubuntu0.9","7.0.52-1ubuntu0.10","7.0.52-1ubuntu0.11","7.0.52-1ubuntu0.13","7.0.52-1ubuntu0.14","7.0.52-1ubuntu0.15","7.0.52-1ubuntu0.16","7.0.52-1ubuntu0.16+esm1","7.0.52-1ubuntu0.16+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libservlet3.0-java","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"libtomcat7-java","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7-admin","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7-common","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7-docs","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7-examples","binary_version":"7.0.52-1ubuntu0.16+esm2"},{"binary_name":"tomcat7-user","binary_version":"7.0.52-1ubuntu0.16+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-23672.json"}},{"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_version":"8.0.32-1ubuntu1.13+esm2","binary_name":"tomcat8-admin"},{"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/2024/UBUNTU-CVE-2024-23672.json"}},{"package":{"name":"tomcat7","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tomcat7?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.0.64-1","7.0.68-1","7.0.68-1ubuntu0.1","7.0.68-1ubuntu0.3","7.0.68-1ubuntu0.4","7.0.68-1ubuntu0.4+esm1","7.0.68-1ubuntu0.4+esm2","7.0.68-1ubuntu0.4+esm3","7.0.68-1ubuntu0.4+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"7.0.68-1ubuntu0.4+esm4","binary_name":"libservlet3.0-java"},{"binary_name":"libtomcat7-java","binary_version":"7.0.68-1ubuntu0.4+esm4"},{"binary_name":"tomcat7","binary_version":"7.0.68-1ubuntu0.4+esm4"},{"binary_version":"7.0.68-1ubuntu0.4+esm4","binary_name":"tomcat7-admin"},{"binary_name":"tomcat7-common","binary_version":"7.0.68-1ubuntu0.4+esm4"},{"binary_name":"tomcat7-docs","binary_version":"7.0.68-1ubuntu0.4+esm4"},{"binary_version":"7.0.68-1ubuntu0.4+esm4","binary_name":"tomcat7-examples"},{"binary_version":"7.0.68-1ubuntu0.4+esm4","binary_name":"tomcat7-user"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-23672.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"},{"fixed":"8.5.39-1ubuntu1~18.04.3+esm5"}]}],"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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with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2024/UBUNTU-CVE-2024-23672.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"},{"fixed":"9.0.16-3ubuntu0.18.04.2+esm4"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: 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