CVE-2025-5269 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
0.46% (39th percentile)

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  • Snyk IDSNYK-SLES1600-LIBMOZJS1280-14375705
  • published11 Dec 2025
  • disclosed3 Dec 2025

Introduced: 3 Dec 2025

CVE-2025-5269  (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.

Memory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 128.11 and Thunderbird 128.11.

CVSS Base Scores

version 3.1