{"id":"CVE-2022-31778","summary":"Transfer-Encoding not treated as hop-by-hop","details":"Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.","modified":"2026-08-12T03:51:20.631098843Z","published":"2022-08-10T00:00:00Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"8.0.0 to 9.0.2"},{"last_affected":"8.0.0 to 9.0.2"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"apache","cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31778.json"},"references":[{"type":"WEB","url":"https://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31778.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31778"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5206"},{"type":"ARTICLE","url":"https://lists.debian.org/debian-lts-announce/2023/04/msg00007.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/trafficserver","events":[{"introduced":"b310e3566f58dd04ec2b15b111ec86ea70e20019"},{"last_affected":"965df952e1da3e5039473db8cf219cf9ef285a93"},{"introduced":"b14030656330ed623cd1f9efe2f4f9abd9d16e29"},{"last_affected":"cb7eda60dc8c2068afd458fd20a8dd6232887f0d"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"last_affected":"8.1.4"},{"introduced":"9.0.0"},{"last_affected":"9.1.2"}]}}],"versions":["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-2022-31778.json"}}],"schema_version":"1.9.0"}