{"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":"2026-05-18T05:53:04.998289837Z","published":"2021-11-03T16:15:07.987Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.1.2"}],"vendor_product":"apache:traffic_server","source":"CPE_FIELD","cpes":["cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*"]},{"extracted_events":[{"last_affected":"10.0"},{"last_affected":"11.0"}],"vendor_product":"debian:debian_linux","source":"CPE_FIELD","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"]}]},"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"}],"database_specific":{"cpe":"cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"9.0.0"},{"last_affected":"9.1.0"}],"source":"CPE_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-37147.json"}}],"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"}]}