VDB
BIT-haproxy-2021-39242
BIT-haproxy-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 3.1
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 |
|---|---|---|
| Bitnami | haproxy | 2.2.0, 2.3.0, 2.4.0 |
Timeline
- Mar 6, 2024 CVE Published
- Apr 3, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch
References
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1 url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/ url
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/ url
- https://www.debian.org/security/2021/dsa-4960 url
- https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html url
- https://nvd.nist.gov/vuln/detail/CVE-2021-39242 url