Use After Free Affecting mod_http2 package, versions <0:2.0.26-6.el9_8.2


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.07% (64th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ALMALINUX9-MODHTTP2-19278649
  • published27 Aug 2026
  • disclosed1 Jul 2026

Introduced: 1 Jul 2026

CVE-2026-48913  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 mod_http2 to version 0:2.0.26-6.el9_8.2 or higher.
This issue was patched in ALSA-2026:59387.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mod_http2 package and not the mod_http2 package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.

This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.

CVSS Base Scores

version 3.1