{"id":"CVE-2024-24549","state":"PUBLISHED","title":"Apache Tomcat: HTTP/2 header handling DoS","description":"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.","publishedAt":"2024-03-13T15:46:53.085Z","updatedAt":"2025-10-29T11:56:23.336Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Tomcat"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M1","status":"affected","lessThanOrEqual":"11.0.0-M16","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.18","versionType":"semver"},{"version":"9.0.0-M1","status":"affected","lessThanOrEqual":"9.0.85","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.98","versionType":"semver"},{"version":"10.0.0-M1","status":"unknown","lessThanOrEqual":"10.0.27","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvg","https://security.netapp.com/advisory/ntap-20240402-0002/","https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html","http://www.openwall.com/lists/oss-security/2024/03/13/3","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/24xxx/CVE-2024-24549.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-24549","state":"PUBLISHED","datePublished":"2024-03-13T15:46:53.085Z","dateUpdated":"2025-10-29T11:56:23.336Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2024-01-25T12:05:42.034Z"},"containers":{"cna":{"title":"Apache Tomcat: HTTP/2 header handling DoS","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M1","status":"affected","lessThanOrEqual":"11.0.0-M16","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.18","versionType":"semver"},{"version":"9.0.0-M1","status":"affected","lessThanOrEqual":"9.0.85","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.98","versionType":"semver"},{"version":"10.0.0-M1","status":"unknown","lessThanOrEqual":"10.0.27","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvg","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2025-10-29T11:56:23.336Z"},"credits":[{"lang":"en","type":"finder","value":"Bartek Nowotarski"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-03-15T15:00:56.854044Z","id":"CVE-2024-24549","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-04T21:26:52.708Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.apache.org/thread/4c50rmomhbbsdgfjsgwlb51xdwfjdcvg","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240402-0002/","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/03/13/3","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T23:19:52.712Z"}}]}}}