Improper Neutralization Affecting httpd package, versions <0:2.4.66-1.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (37th percentile)

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  • Snyk IDSNYK-AMZN2-HTTPD-14882407
  • published7 Jan 2026
  • disclosed5 Dec 2025

Introduced: 5 Dec 2025

CVE-2025-65082  (opens in a new tab)
CWE-150  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 httpd to version 0:2.4.66-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2025-3099.

NVD Description

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

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables calculated by the server for CGI programs.

This issue affects Apache HTTP Server from 2.4.0 through 2.4.65.

Users are recommended to upgrade to version 2.4.66 which fixes the issue.

CVSS Base Scores

version 3.1