Use After Free Affecting apache/httpd package, versions [2.4.0,2.4.68)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.69% (49th 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 Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-APACHEHTTPD-17394061
  • published22 Jun 2026
  • disclosed8 Jun 2026
  • creditPavel Kohout

Introduced: 8 Jun 2026

CVE-2026-29167  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade apache/httpd to version 2.4.68 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free in the mod_ldap module when handling per-directory configurations. An attacker can execute arbitrary code or cause a denial of service by triggering the reuse of freed memory.

References

CVSS Base Scores

version 4.0
version 3.1