Out-of-bounds Read Affecting firefox package, versions <0:140.3.0-1.el10_0


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-RHEL10-FIREFOX-12878586
  • published18 Sept 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2025-10532  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:10 firefox to version 0:140.3.0-1.el10_0 or higher.
This issue was patched in RHSA-2025:16109.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Incorrect boundary conditions in the JavaScript: GC component. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

CVSS Base Scores

version 3.1