{"id":"CVE-2021-37147","details":"Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.","modified":"2026-04-10T04:35:46.771835Z","published":"2021-11-03T16:15:07.987Z","references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5153"},{"type":"FIX","url":"https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"last_affected":"682f899871b5af5252d1c1105bf998239a2a8eb8"},{"introduced":"0"},{"last_affected":"3fa146678bc6a061722f4ea930998ae29ad70de3"}],"database_specific":{"versions":[{"introduced":"9.0.0"},{"last_affected":"9.1.0"},{"introduced":"0"},{"last_affected":"10.0"}]}}],"versions":["10.0.0","10.0.0-rc0","3.1.2","3.3.0","3.3.1","9.1.0","9.1.0-rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-37147.json","unresolved_ranges":[{"events":[{"introduced":"8.0.0"},{"last_affected":"8.1.2"}]},{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}