Ori Hollander discovered that HAProxy incorrectly handled HTTP header name length encoding. A remote attacker could possibly use this issue to inject a duplicate content-length header and perform request smuggling attacks.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "haproxy", "binary_version": "2.0.13-2ubuntu0.3" }, { "binary_name": "vim-haproxy", "binary_version": "2.0.13-2ubuntu0.3" } ] }
{ "cves": [ { "id": "CVE-2021-40346", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "type": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ] } ], "ecosystem": "Ubuntu:20.04:LTS" }