{"cve":"CVE-2024-23672","nvd":{"published":"2024-03-13T16:15:29.287","modified":"2026-06-17T07:13:21.377","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-459"],"references":["https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f","http://www.openwall.com/lists/oss-security/2024/03/13/4","https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f","https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/"],"products":["apache:tomcat","debian:debian_linux","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2024-23672","score":0.02313,"percentile":0.83406,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v682-8vv8-vpwr","url":"https://osv.dev/vulnerability/GHSA-v682-8vv8-vpwr","summary":"Denial of Service via incomplete cleanup vulnerability in Apache Tomcat","modified":"2026-08-13T20:11:57.899831902Z","packages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","purl":"pkg:maven/org.apache.tomcat/tomcat-websocket","ranges":[">=11.0.0-M1 <11.0.0-M17"],"fixed":["11.0.0-M17"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","purl":"pkg:maven/org.apache.tomcat/tomcat-websocket","ranges":[">=10.1.0-M1 <10.1.19"],"fixed":["10.1.19"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","purl":"pkg:maven/org.apache.tomcat/tomcat-websocket","ranges":[">=9.0.0-M1 <9.0.86"],"fixed":["9.0.86"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-websocket","purl":"pkg:maven/org.apache.tomcat/tomcat-websocket","ranges":[">=8.5.0 <8.5.99"],"fixed":["8.5.99"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket","ranges":[">=11.0.0-M1 <11.0.0-M17"],"fixed":["11.0.0-M17"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket","ranges":[">=10.1.0-M1 <10.1.19"],"fixed":["10.1.19"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket","ranges":[">=9.0.0-M1 <9.0.86"],"fixed":["9.0.86"]},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-websocket","purl":"pkg:maven/org.apache.tomcat.embed/tomcat-embed-websocket","ranges":[">=8.5.0 <8.5.99"],"fixed":["8.5.99"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}