Use-after-free in Apache HTTP Server - CVE-2026-29167
Published: June 8, 2026
Vulnerability identifier: #VU133908
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-29167
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache HTTP Server
Apache HTTP Server
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to use-after-free in mod_ldap per-directory configuration when processing per-directory configuration. A local user can trigger processing of affected per-directory configuration to cause a denial of service.
How to mitigate CVE-2026-29167
Install security update from vendor's website.