{"schema_version":"1.9.0","id":"CVE-2024-34750","published":"2024-07-03T19:32:34.695Z","modified":"2026-08-12T03:51:23.581500186Z","aliases":["BIT-tomcat-2024-34750","GHSA-wm9w-rjj3-j356"],"related":["ALSA-2024:5693","ALSA-2024:5694","CGA-2fpc-444g-9244","SUSE-SU-2024:2413-1","SUSE-SU-2024:2485-1","SUSE-SU-2024:2539-1","SUSE-SU-2026:1058-1","openSUSE-SU-2024:14119-1","openSUSE-SU-2024:14120-1"],"summary":"Apache Tomcat: HTTP/2 excess header handling DoS","details":"Improper Handling of Exceptional Conditions, Uncontrolled Resource Consumption vulnerability in Apache Tomcat. When processing an HTTP/2 stream, Tomcat did not handle some cases of excessive HTTP headers correctly. This led to a miscounting of active HTTP/2 streams which in turn led to the use of an incorrect infinite timeout which allowed connections to remain open which should have been closed.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, from 9.0.0-M1 through 9.0.89.\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: 8.5.0 though 8.5.100. Other EOL versions may also be affected.\n\n\nUsers are recommended to upgrade to version 11.0.0-M21, 10.1.25 or 9.0.90, which fixes the issue.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"16bf392c67833ad549733b58c350ff92b5ee782a"},{"fixed":"65977c7d1da9b6016e2b19de06c3be7373f40859"},{"introduced":"e9d17cddc285615807ec5fef09240777436b25dc"},{"fixed":"a0038178b617423537dc66b2f516c53da7093421"},{"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:milestone17:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*","cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*","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":"9.0.0"},{"fixed":"9.0.90"},{"introduced":"10.1.0"},{"fixed":"10.1.25"},{"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-milestone17"},{"last_affected":"11.0.0-milestone17"},{"introduced":"11.0.0-milestone18"},{"last_affected":"11.0.0-milestone18"},{"introduced":"11.0.0-milestone19"},{"last_affected":"11.0.0-milestone19"},{"introduced":"11.0.0-milestone2"},{"last_affected":"11.0.0-milestone2"},{"introduced":"11.0.0-milestone20"},{"last_affected":"11.0.0-milestone20"},{"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-milestone17","11.0.0-milestone18","11.0.0-milestone19","11.0.0-milestone2","11.0.0-milestone20","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-2024-34750.json"}}],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34750.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/4kqf0bc9gxymjc2x7v3p7dvplnl77y8l"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34750"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240816-0004/"}],"database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-400","CWE-755"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34750.json","unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.0-M20"},{"introduced":"10.1.0-M1"},{"last_affected":"10.1.24"},{"introduced":"9.0.0-M1"},{"last_affected":"9.0.89"},{"introduced":"8.5.0"},{"last_affected":"8.5.100"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.0-M20"},{"introduced":"10.1.0-M1"},{"fixed":"10.1.24"},{"introduced":"9.0.0-M1"},{"fixed":"9.0.89"}],"source":"DESCRIPTION"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}