CVE-2022-37436

Apache HTTP Server: mod_proxy prior to 2.4.55 allows a backend to trigger HTTP response splitting

Published Jan 17, 2023 CVSS 3.1 · 5.3 Medium EPSS 52.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-3351-1 apache2 security update
Debian DSA Debian DSA DSA-5376-1 apache2 security update
EUVD EUVD EUVD-2022-40063 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.
Ubuntu USN Ubuntu USN USN-5839-1 Apache HTTP Server vulnerabilities
Ubuntu USN Ubuntu USN USN-5839-2 Apache HTTP Server vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Apr 4, 2025, 6:06 PM
Reserved
Aug 5, 2022, 12:37 PM
Status
Modified
Published
Jan 17, 2023, 8:15 PM
Modified
Jun 17, 2026, 4:55 AM
Severity
Moderate
Public date
Jan 17, 2023, 12:00 AM