CVE-2026-33007

Apache HTTP Server: mod_authn_socache crash

Summary

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Affected packages

Bitnami apache

[{"type":"SEMVER","events":[{"introduced":"2.4.0"},{"fixed":"2.4.67"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

Alpine Linux ALPINE-CVE-2026-33007 apache2 Fixed in: 2.4.67-r0
Debian DEBIAN-CVE-2026-33007 apache2 Fixed in: 2.4.67-1~deb11u1
Ubuntu UBUNTU-CVE-2026-33007 apache2 Fixed in: 2.4.7-1ubuntu4.22+esm14

References

advisory openwall.com
advisory httpd.apache.org
web nvd.nist.gov