Use After Free Affecting mozjs package, versions <115.14.0-r0


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.61% (46th percentile)

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  • Snyk IDSNYK-ALPINE323-MOZJS-14182284
  • published4 Dec 2025
  • disclosed6 Aug 2024

Introduced: 6 Aug 2024

CVE-2024-7527  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.23 mozjs to version 115.14.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mozjs package and not the mozjs package as distributed by Alpine. See How to fix? for Alpine:3.23 relevant fixed versions and status.

Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

CVSS Base Scores

version 3.1