User Interface (UI) Misrepresentation of Critical Information Affecting Firefox-ESR package, versions [,128.9)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.09% (28th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-9789102
  • published22 Apr 2025
  • disclosed1 Apr 2025
  • creditRenwa Hiwa

Introduced: 1 Apr 2025

NewCVE-2025-3029  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 128.9 or higher.

Overview

Affected versions of this package are vulnerable to User Interface (UI) Misrepresentation of Critical Information via the handling of URLs containing specific Unicode characters. An attacker can mislead users about the true origin of a webpage by crafting URLs that visually appear legitimate but are maliciously altered.

CVSS Base Scores

version 3.1