Out-of-Bounds Affecting Firefox-ESR package, versions [,115.26)[128.0,128.13)[140.1-b1,140.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-10914943
  • published24 Jul 2025
  • disclosed22 Jul 2025
  • creditthe Mozilla Fuzzing Team

Introduced: 22 Jul 2025

NewCVE-2025-8034  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.26, 128.13, 140.1 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds due to improper memory management. An attacker can execute arbitrary code by triggering memory corruption through crafted input.

CVSS Base Scores

version 4.0
version 3.1