Use After Free Affecting firefox-debugsource package, versions <0:140.6.0-1.el10_1


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.5% (39th percentile)

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  • Snyk IDSNYK-ROCKY10-FIREFOXDEBUGSOURCE-14374291
  • published11 Dec 2025
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

CVE-2025-14321  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 firefox-debugsource to version 0:140.6.0-1.el10_1 or higher.
This issue was patched in RLSA-2025:23035.

NVD Description

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

Use-after-free in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

CVSS Base Scores

version 3.1