CVE-2026-33007CWE-476

Apache HTTP Server: mod_authn_socache crash

Medium · published May 4, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
68.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.01202 · 68.0th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-05-04T14:41Z
EPSS history
Timeline
  • 04 MAY 14:41Z
    Apache HTTP Server: mod_authn_socache crash
    cvelistv5