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.
The product does not handle or incorrectly handles an exceptional condition.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Haproxy | Haproxy | 2.2.0 (including) | 2.2.16 (excluding) |
| Haproxy | Haproxy | 2.3.0 (including) | 2.3.13 (excluding) |
| Haproxy | Haproxy | 2.4.0 (including) | 2.4.3 (excluding) |