{"id":"CVE-2024-23672","aliases":["BIT-tomcat-2024-23672","GHSA-v682-8vv8-vpwr"],"url":"https://o3.security/vulnerability/CVE-2024-23672","summary":"Apache Tomcat: WebSocket DoS with incomplete closing handshake","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.\n\nOlder, EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.","published":"2024-03-13T15:48:42.610Z","modified":"2026-08-13T20:11:56.645963924Z","cvss":{"score":6.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","fixedVersion":"11.0.0-M17"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","fixedVersion":"10.1.19"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","fixedVersion":"9.0.86"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","fixedVersion":"8.5.99"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","fixedVersion":"11.0.0-M17"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","fixedVersion":"10.1.19"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","fixedVersion":"9.0.86"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","fixedVersion":"8.5.99"}],"fix":{"url":"https://github.com/apache/tomcat/commit/0052b374684b613b0c849899b325ebe334ac6501","label":"apache/tomcat@0052b37"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/03/13/4"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23672.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23672"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240402-0002/"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/0052b374684b613b0c849899b325ebe334ac6501"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/3631adb1342d8bbd8598802a12b63ad02c37d591"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/52d6650e062d880704898d7d8c1b2b7a3efe8068"},{"type":"WEB","url":"https://github.com/apache/tomcat/commit/b0e3b1bd78de270d53e319d7cb79eb282aa53cb9"},{"type":"PACKAGE","url":"https://github.com/apache/tomcat"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20240402-0002"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T20:11:56.645963924Z"}}