All vulnerabilities

Servers and applications

CVE-2026-29169

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,…

Severity
High 7.5
Published
4 May 2026
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
2.4.67
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Every version before 2.4.67

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-29169
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-29169