Memory Leak Affecting apache2 package, versions <2.4.64-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
4.41% (91st percentile)

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  • Snyk IDSNYK-ALPINE321-APACHE2-10695327
  • published11 Jul 2025
  • 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 Alpine:3.21 apache2 to version 2.4.64-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream apache2 package and not the apache2 package as distributed by Alpine. See How to fix? for Alpine:3.21 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