Allocation of Resources Without Limits or Throttling Affecting expat package, versions <0:2.5.0-5.el9_7.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
1.32% (69th percentile)

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  • Snyk IDSNYK-ALMALINUX9-EXPAT-14176047
  • published4 Dec 2025
  • disclosed19 May 2026

Introduced: 4 Dec 2025

CVE-2025-59375  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 expat to version 0:2.5.0-5.el9_7.1 or higher.
This issue was patched in ALSA-2025:22175.

NVD Description

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

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

CVSS Base Scores

version 3.1