Memory Leak Affecting mod_http2 package, versions <0:2.0.26-6.el9_8.1


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
4.96% (92nd 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-ORACLE9-MODHTTP2-17661613
  • published28 Jun 2026
  • disclosed10 Jul 2025

Introduced: 10 Jul 2025

CVE-2025-53020  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Oracle:9 mod_http2 to version 0:2.0.26-6.el9_8.1 or higher.
This issue was patched in ELSA-2026-22551.

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 Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63.

Users are recommended to upgrade to version 2.4.64, which fixes the issue.

CVSS Base Scores

version 3.1