All vulnerabilities

Servers and applications

CVE-2026-33007

A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Severity
Medium 5.3
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
  • From 2.4.0 before 2.4.67

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-33007
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-33007