{"id":"CVE-2024-24549","aliases":["BIT-tomcat-2024-24549","GHSA-7w75-32cg-r6g2"],"url":"https://o3.security/vulnerability/CVE-2024-24549","summary":"Apache Tomcat: HTTP/2 header handling DoS","details":"Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.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. Other, older, EOL versions may also be affected.\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":"2024-03-13T15:46:53.085Z","modified":"2026-08-13T20:11:56.504160205Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.23072,"percentile":0.97529,"asOf":"2026-08-04"},"cisaKev":null,"exploitsKnown":4,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"11.0.0-M17"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"10.1.19"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"9.0.86"},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat-coyote","fixedVersion":"8.5.99"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"8.5.99"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"9.0.86"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"10.1.19"},{"ecosystem":"Maven","name":"org.apache.tomcat.embed:tomcat-embed-core","fixedVersion":"11.0.0-M17"}],"fix":null,"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/03/13/3"},{"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/2024/24xxx/CVE-2024-24549.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24549"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240402-0002/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T20:11:56.504160205Z"}}