Out-of-bounds Read Affecting mod_session package, versions <0:2.4.67-1.amzn2.0.1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-AMZN2-MODSESSION-16881323
  • published27 May 2026
  • disclosed4 May 2026

Introduced: 4 May 2026

CVE-2026-33857  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 mod_session to version 0:2.4.67-1.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_session package and not the mod_session package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Out-of-bounds Read vulnerability in mod_proxy_ajp of

Apache HTTP Server.

This issue affects Apache HTTP Server: through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVSS Base Scores

version 3.1