Out-of-bounds Write Affecting Firefox package, versions [,138.0.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-10231773
  • published23 May 2025
  • disclosed17 May 2025
  • creditUnknown

Introduced: 17 May 2025

CVE-2025-4919  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Firefox to version 138.0.4 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write due to improper handling of array index sizes. An attacker can manipulate memory and access or alter data outside the intended buffer boundaries by confusing.

CVSS Base Scores

version 4.0
version 3.1