Use After Free Affecting httpd-core package, versions <0:2.4.62-13.el9_8.9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (45th percentile)

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  • Snyk IDSNYK-RHEL9-HTTPDCORE-21479717
  • published23 Oct 2026
  • disclosed1 Oct 2026

Introduced: 1 Oct 2026

CVE-2026-56154  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:9 httpd-core to version 0:2.4.62-13.el9_8.9 or higher.
This issue was patched in RHSA-2026:88229.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd-core package and not the httpd-core package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

CVSS Base Scores

version 3.1