Improper Input Validation Affecting Firefox package, versions [,157)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-20826664
  • published11 Oct 2026
  • disclosed11 Oct 2026
  • creditUnknown

Introduced: 11 Oct 2026

NewCVE-2026-100760  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Firefox to version 157 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation through the Process Sandboxing component. An attacker can execute code outside of the intended sandboxed environment by exploiting insufficient isolation between processes.

CVSS Base Scores

version 4.0
version 3.1