An issue was discovered in HAProxy 2.2 before 2.2.16, 2.3 before 2.3.13, and 2.4 before 2.4.3. It can lead to a situation with an attacker-controlled HTTP Host header, because a mismatch between Host and authority is mishandled.
{ "cpes": [ "cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*" ], "severity": "High" }