Improper Input Validation Affecting Firefox package, versions [,156)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.1% (1st percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-20825256
  • published11 Oct 2026
  • disclosed11 Oct 2026
  • creditUnknown

Introduced: 11 Oct 2026

NewCVE-2026-92065  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Firefox to version 156 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation via incorrect boundary conditions in the Widget: Win32 component. An attacker can break out of the sandbox and execute code with elevated privileges by exploiting improper checks on boundary conditions.

CVSS Base Scores

version 4.0
version 3.1