NULL Pointer Dereference Affecting mod_ssl package, versions <1:2.4.67-1.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.51% (40th percentile)

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  • Snyk IDSNYK-AMZN2-MODSSL-16881464
  • published27 May 2026
  • disclosed4 May 2026

Introduced: 4 May 2026

CVE-2026-33007  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 mod_ssl to version 1:2.4.67-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2026-3314.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_ssl package and not the mod_ssl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1