Use After Free Affecting Firefox package, versions [,134)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-8603682
  • published8 Jan 2025
  • disclosed7 Jan 2025
  • creditNils Bars

Introduced: 7 Jan 2025

NewCVE-2025-0240  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Firefox to version 134 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free due to the incorrect handling of cross-compartment access when parsing JavaScript modules as JSON. An attacker can execute arbitrary code or cause a denial of service by exploiting the use-after-free condition.

CVSS Scores

version 4.0
version 3.1