VDB
DEBIAN-CVE-2021-39242
DEBIAN-CVE-2021-39242
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | haproxy | 0, 0, 0 |
| Debian:11 | haproxy | 2.2.9-2, 2.2.9-2+deb11u1~bpo10+1, 0 |
| Debian:14 | haproxy | 0, 0, 0 |
| Debian:13 | haproxy | 0, 0, 0 |
Timeline
- Aug 17, 2021 CVE Published
- Apr 28, 2026 CVE Updated