{"id":"CVE-2024-31309","summary":"Apache Traffic Server: HTTP/2 CONTINUATION frames can be utilized for DoS attack","details":"HTTP/2 CONTINUATION DoS attack can cause Apache Traffic Server to consume more resources on the server.  Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are affected.\n\nUsers can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute.  ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases.\nUsers are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.","modified":"2026-08-12T03:51:40.916354286Z","published":"2024-04-10T12:07:16.975Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31309.json","unresolved_ranges":[{"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.1.9"},{"introduced":"9.0.0"},{"last_affected":"9.2.3"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.1.9"},{"introduced":"9.0.0"},{"fixed":"9.2.3"}],"source":"DESCRIPTION"}],"cna_assigner":"apache","cwe_ids":["CWE-20"]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/04/03/16"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/04/10/7"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QV77HYM7ARSTL3B6U3IFG7PHDU65WL4I/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3XON6RM5ZKCZ6K6NB7BOTAWMJQKXJDO/"},{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/421644"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/31xxx/CVE-2024-31309.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-31309"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"b310e3566f58dd04ec2b15b111ec86ea70e20019"},{"fixed":"10bcf264100911987463c5e1cf42998ed257c231"},{"introduced":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"fixed":"90fbf13db0858cef0e0a094f445d846b60a4c1ef"}],"database_specific":{"cpe":"cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.1.10"},{"introduced":"9.0.0"},{"fixed":"9.2.4"}],"source":"CPE_RANGE"}}],"versions":["8.1.9-rc0","8.1.9","8.1.8","8.1.8-rc0","8.1.7-rc0","8.1.7","8.1.6-rc0","8.1.6","8.1.5-rc0","8.1.5","8.1.4-rc0","8.1.4","8.1.3-rc1","8.1.3","8.1.3-rc0","8.1.2-rc0","8.1.1-rc0","8.1.1","8.1.0-rc0","8.1.0","8.0.6-rc1","8.0.6","8.0.6-rc0","8.0.5","8.0.4","8.0.4-rc0","8.0.3-rc0","8.0.3","8.0.2-rc0","8.0.2","8.0.1-rc0","8.0.1","8.0.0-rc4","8.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-31309.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}