Memory Leak Affecting httpd:2.4/mod_ssl package, versions <1:2.4.37-65.module_el8.10.0+4185+0955a0d7.8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
4.41% (91st percentile)

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  • Snyk IDSNYK-ALMALINUX8-HTTPD-17146691
  • published4 Jun 2026
  • disclosed2 Jun 2026

Introduced: 2 Jun 2026

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

How to fix?

Upgrade AlmaLinux:8 httpd:2.4/mod_ssl to version 1:2.4.37-65.module_el8.10.0+4185+0955a0d7.8 or higher.
This issue was patched in ALSA-2026:22140.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd:2.4/mod_ssl package and not the httpd:2.4/mod_ssl package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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