Exposure of Sensitive Information to an Unauthorized Actor Affecting Firefox-ESR package, versions [,140.16)[150,153.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.31% (22nd percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-20825560
  • published11 Oct 2026
  • disclosed11 Oct 2026
  • creditUnknown

Introduced: 11 Oct 2026

NewCVE-2026-92031  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 140.16, 153.3 or higher.

Overview

Affected versions of this package are vulnerable to Exposure of Sensitive Information to an Unauthorized Actor in the Graphics: ImageLib component. An attacker can obtain sensitive information by exploiting improper handling of image data.

CVSS Base Scores

version 4.0
version 3.1