CVE-2025-11711 Affecting firefox-debugsource package, versions <0:140.4.0-3.el8_10


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-ROCKY8-FIREFOXDEBUGSOURCE-15248216
  • published8 Feb 2026
  • disclosed14 Oct 2025

Introduced: 14 Oct 2025

CVE-2025-11711  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 firefox-debugsource to version 0:140.4.0-3.el8_10 or higher.
This issue was patched in RLSA-2025:18285.

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:8 relevant fixed versions and status.

There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

CVSS Base Scores

version 3.1