Race Condition Affecting firefox package, versions <0:140.5.0-1.el9_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.23% (15th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-13903301
  • published12 Nov 2025
  • disclosed11 Nov 2025

Introduced: 11 Nov 2025

CVE-2025-13012  (opens in a new tab)
CWE-366  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.5.0-1.el9_6 or higher.
This issue was patched in RHSA-2025:21121.

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:9 relevant fixed versions and status.

Race condition in the Graphics component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

CVSS Base Scores

version 3.1