NULL Pointer Dereference Affecting mod_proxy_html package, versions <1:2.4.69-1.amzn2023.0.2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.48% (40th percentile)

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  • Snyk IDSNYK-AMZN2023-MODPROXYHTML-20872793
  • published13 Oct 2026
  • disclosed1 Oct 2026

Introduced: 1 Oct 2026

NewCVE-2026-63686  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 mod_proxy_html to version 1:2.4.69-1.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2026-3202.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_proxy_html package and not the mod_proxy_html package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.

Users are recommended to upgrade to version 2.4.69, which fixes this issue.

CVSS Base Scores

version 3.1