{"schema_version":"1.9.0","id":"CVE-2024-23672","published":"2024-03-13T15:48:42.610Z","modified":"2026-08-13T20:11:56.645963924Z","aliases":["BIT-tomcat-2024-23672","GHSA-v682-8vv8-vpwr"],"related":["ALSA-2024:3307","ALSA-2024:3666","SUSE-SU-2024:1204-1","SUSE-SU-2024:1205-1","SUSE-SU-2024:1345-1","SUSE-SU-2026:1058-1","openSUSE-SU-2024:13832-1","openSUSE-SU-2024:13833-1"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"e37b977db6f47e4380ad67114a49e8568951c953"},{"fixed":"fe841cca81f15355ed4096c5c155f0ceb49a05da"},{"introduced":"16bf392c67833ad549733b58c350ff92b5ee782a"},{"fixed":"542c35ae834fb29616b184a0e4276a5b7f8542de"},{"introduced":"e9d17cddc285615807ec5fef09240777436b25dc"},{"fixed":"9287d3342f12d20cbdb66c11228b0f80a40a43a0"},{"introduced":"59c81e30e2f64f5e8c1db78c4860c51850dfb0bd"},{"last_affected":"de714a23642a4d0baef342db6762a7f7a550d82c"}],"database_specific":{"cpe":["cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone1:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone10:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone11:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone12:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone13:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone3:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone4:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone5:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone6:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone7:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone8:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone9:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.5.0"},{"fixed":"8.5.99"},{"introduced":"9.0.0"},{"fixed":"9.0.86"},{"introduced":"10.1.0"},{"fixed":"10.1.19"},{"introduced":"11.0.0-milestone1"},{"last_affected":"11.0.0-milestone1"},{"introduced":"11.0.0-milestone10"},{"last_affected":"11.0.0-milestone10"},{"introduced":"11.0.0-milestone11"},{"last_affected":"11.0.0-milestone11"},{"introduced":"11.0.0-milestone12"},{"last_affected":"11.0.0-milestone12"},{"introduced":"11.0.0-milestone13"},{"last_affected":"11.0.0-milestone13"},{"introduced":"11.0.0-milestone14"},{"last_affected":"11.0.0-milestone14"},{"introduced":"11.0.0-milestone15"},{"last_affected":"11.0.0-milestone15"},{"introduced":"11.0.0-milestone16"},{"last_affected":"11.0.0-milestone16"},{"introduced":"11.0.0-milestone2"},{"last_affected":"11.0.0-milestone2"},{"introduced":"11.0.0-milestone3"},{"last_affected":"11.0.0-milestone3"},{"introduced":"11.0.0-milestone4"},{"last_affected":"11.0.0-milestone4"},{"introduced":"11.0.0-milestone5"},{"last_affected":"11.0.0-milestone5"},{"introduced":"11.0.0-milestone6"},{"last_affected":"11.0.0-milestone6"},{"introduced":"11.0.0-milestone7"},{"last_affected":"11.0.0-milestone7"},{"introduced":"11.0.0-milestone8"},{"last_affected":"11.0.0-milestone8"},{"introduced":"11.0.0-milestone9"},{"last_affected":"11.0.0-milestone9"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["11.0.0-milestone1","11.0.0-milestone10","11.0.0-milestone11","11.0.0-milestone12","11.0.0-milestone13","11.0.0-milestone14","11.0.0-milestone15","11.0.0-milestone16","11.0.0-milestone2","11.0.0-milestone3","11.0.0-milestone4","11.0.0-milestone5","11.0.0-milestone6","11.0.0-milestone7","11.0.0-milestone8","11.0.0-milestone9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-23672.json"}}],"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/"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-459"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23672.json","unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.0-M16"},{"introduced":"10.1.0-M1"},{"last_affected":"10.1.18"},{"introduced":"9.0.0-M1"},{"last_affected":"9.0.85"},{"introduced":"8.5.0"},{"last_affected":"8.5.98"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.0-M16"},{"introduced":"10.1.0-M1"},{"fixed":"10.1.18"},{"introduced":"9.0.0-M1"},{"fixed":"9.0.85"},{"introduced":"8.5.0"},{"fixed":"8.5.98"}],"source":"DESCRIPTION"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}]}