NULL Pointer Dereference Affecting httpd:2.4/mod_proxy_html package, versions <1:2.4.37-65.module_el8.10.0+4233+8b7d9181.9


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.59% (44th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX8-HTTPD-18232194
  • published23 Jul 2026
  • disclosed1 Jul 2026

Introduced: 1 Jul 2026

CVE-2026-29169  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 httpd:2.4/mod_proxy_html to version 1:2.4.37-65.module_el8.10.0+4233+8b7d9181.9 or higher.
This issue was patched in ALSA-2026:42828.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_proxy_html package and not the httpd:2.4/mod_proxy_html package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav or mod_dav_fs.

The only known use-case for mod_dav_lock was mod_dav_svn from Apache Subversion earlier than version 1.2.0.

Users are recommended to upgrade to version 2.4.66, which fixes this issue, or remove mod_dav_lock.

CVSS Base Scores

version 3.1