Improper Restriction of Operations within the Bounds of a Memory Buffer Affecting Firefox-ESR package, versions [,115.42)[140,140.17)[150,153.4)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.26% (17th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-20826660
  • published11 Oct 2026
  • disclosed11 Oct 2026
  • creditUnknown

Introduced: 11 Oct 2026

NewCVE-2026-100782  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.42, 140.17, 153.4 or higher.

Overview

Affected versions of this package are vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer due to incorrect boundary conditions in the Graphics component. An attacker can gain elevated privileges by exploiting improper validation of input data within this component.

CVSS Base Scores

version 4.0
version 3.1