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


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.28% (67th percentile)

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  • Snyk IDSNYK-RHEL9-EXPAT-14122014
  • published26 Nov 2025
  • disclosed15 Sept 2025

Introduced: 15 Sep 2025

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

How to fix?

Upgrade RHEL:9 expat to version 0:2.5.0-5.el9_7.1 or higher.
This issue was patched in RHSA-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 RHEL. See How to fix? for RHEL: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