CVE-2026-33007
Apache HTTP Server: mod_authn_socache crash
5.3
MEDIUM
CVSS 3.1
EPSS 0.58%
Description
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.
How to fix CVE-2026-33007
To remediate CVE-2026-33007, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.67-r0 or later
- —upgrade to 2.4.67 or later
- —upgrade to 2.4.67-1~deb11u1 or later
Is CVE-2026-33007 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.4.67-r0
- >= 2.4.0, < 2.4.67
- from 0, < 2.4.67-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |