CVE-2022-37436
MEDIUM5.3EPSS 0.54%Apache HTTP Server: mod_proxy prior to 2.4.55 allows a backend to trigger HTTP response splitting
Published: 1/17/2023Modified: 4/28/2026
Description
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
Affected packages (3)
- Alpine/apache2from 0, < 2.4.55-r0
- Bitnami/apachefrom 0, < 2.4.55
- Debian/apache2from 0, < 2.4.56-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |