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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-29169

Apache HTTP Server: mod_dav_lock indirect lock crash

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache HTTP Server

Default version status: unaffected

  • 0 to ≤ 2.4.66affected

References