User Interface (UI) Misrepresentation of Critical Information Affecting Firefox-ESR package, versions [,115.44)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-21755537
  • published27 Oct 2026
  • disclosed27 Oct 2026
  • creditUnknown

Introduced: 27 Oct 2026

NewCVE-2026-118027  (opens in a new tab)
CWE-451  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.44 or higher.

Overview

Affected versions of this package are vulnerable to User Interface (UI) Misrepresentation of Critical Information via the Layout component. An attacker can manipulate rendered frames by injecting malicious content.

CVSS Base Scores

version 4.0
version 3.1