HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.
2023-08-10T21:15:10.743
2024-11-21T08:19:02.407
Modified
CVSSv3.1: 7.2 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | haproxy | haproxy | ≤ 2.0.32 | Yes |
| Application | haproxy | haproxy | ≤ 2.2.30 | Yes |
| Application | haproxy | haproxy | ≤ 2.4.23 | Yes |
| Application | haproxy | haproxy | < 2.6.15 | Yes |
| Application | haproxy | haproxy | < 2.7.10 | Yes |
| Application | haproxy | haproxy | < 2.8.2 | Yes |