Improper Control of Dynamically-Managed Code Resources Affecting Firefox-ESR package, versions [,140.6)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-14246597
  • published9 Dec 2025
  • disclosed9 Dec 2025
  • creditRong Bao

Introduced: 9 Dec 2025

NewCVE-2025-14330  (opens in a new tab)
CWE-913  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 140.6 or higher.

Overview

Affected versions of this package are vulnerable to Improper Control of Dynamically-Managed Code Resources in the JIT process. An attacker can execute arbitrary code or cause unexpected behavior by leveraging crafted JavaScript that triggers incorrect compilation results.

CVSS Base Scores

version 4.0
version 3.1