CVE-2025-10537 Affecting firefox-debugsource package, versions <0:140.3.0-1.el9_6


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-ROCKY9-FIREFOXDEBUGSOURCE-13516920
  • published10 Oct 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2025-10537  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 firefox-debugsource to version 0:140.3.0-1.el9_6 or higher.
This issue was patched in RLSA-2025:16108.

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:9 relevant fixed versions and status.

Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 143, Firefox ESR < 140.3, Thunderbird < 143, and Thunderbird < 140.3.

CVSS Base Scores

version 3.1