CVE-2026-29167
Received Received - Intake
Use After Free in Apache HTTP Server with mod_ldap

Publication date: 2026-06-08

Last updated on: 2026-06-08

Assigner: Apache Software Foundation

Description
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.
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Meta Information
Published
2026-06-08
Last Modified
2026-06-08
Generated
2026-06-09
AI Q&A
2026-06-08
EPSS Evaluated
N/A
NVD
CVE-2026-29167
EUVD
EUVD-2026-35086
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
apache http_server From 2.4.0 (inc) to 2.4.67 (inc)
apache http_server 2.4.68
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Impact Analysis

This vulnerability is a Use After Free issue in Apache HTTP Server with mod_ldap in per-directory configuration, affecting versions from 2.4.0 through 2.4.67.

Such a vulnerability can potentially lead to crashes, unexpected behavior, or exploitation by attackers to execute arbitrary code or cause denial of service, impacting the availability and security of the affected server.

Users are recommended to upgrade to version 2.4.68, which fixes the issue.

Executive Summary

CVE-2026-29167 is a Use After Free vulnerability in the Apache HTTP Server specifically related to the mod_ldap module when used in per-directory configuration.

This vulnerability affects Apache HTTP Server versions from 2.4.0 through 2.4.67.

Users are advised to upgrade to version 2.4.68, which contains the fix for this issue.

Mitigation Strategies

The recommended immediate step to mitigate this vulnerability is to upgrade Apache HTTP Server to version 2.4.68, which contains the fix for the Use After Free vulnerability in mod_ldap.

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