Apache HTTP 2.4.02.4.67 Use-After-Free mod_ldap (per-dir) fixed in 2.4.68
CVE-2026-29167 Published on June 8, 2026
Apache HTTP Server: mod_ldap per-dir use-after-free
Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.
Users are recommended to upgrade to version 2.4.68, which fixes the issue.
Vulnerability Analysis
CVE-2026-29167 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Timeline
reported
fixed in 2.4.x by r1934935 93 days later.
2.4.68 released 5 days later.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-29167 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-29167
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Affected Versions
Apache Software Foundation Apache HTTP Server:- Version 2.4.0, <= 2.4.67 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.