{"id":"CVE-2021-44040","details":"Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.","modified":"2026-07-08T06:04:34.242521266Z","published":"2022-03-23T14:15:07.717Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"},{"introduced":"11.0"},{"last_affected":"11.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"references":[{"type":"ADVISORY","url":"https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5153"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"b310e3566f58dd04ec2b15b111ec86ea70e20019"},{"last_affected":"bbbf80d75105313b51153c7fde0bf0edc8cf7783"},{"introduced":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"last_affected":"442195ec092dd3d1709058208a34b2bdfe536827"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.1.3"},{"introduced":"9.0.0"},{"last_affected":"9.1.1"}]}}],"versions":["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-2021-44040.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"}]}