CVE-2025-6425 Affecting libmozjs-128-0 package, versions <128.14.0-160000.1.1


Severity

Recommended
high

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.31% (22nd percentile)

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  • Snyk IDSNYK-SLES1600-LIBMOZJS1280-14375658
  • published11 Dec 2025
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

CVE-2025-6425  (opens in a new tab)

How to fix?

Upgrade SLES:16.0.0 libmozjs-128-0 to version 128.14.0-160000.1.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libmozjs-128-0 package and not the libmozjs-128-0 package as distributed by SLES. See How to fix? for SLES:16.0.0 relevant fixed versions and status.

An attacker who enumerated resources from the WebCompat extension could have obtained a persistent UUID that identified the browser, and persisted between containers and normal/private browsing mode, but not profiles. This vulnerability was fixed in Firefox 140, Firefox ESR 115.25, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

CVSS Base Scores

version 3.1