Improper Restriction of Operations within the Bounds of a Memory Buffer Affecting Firefox-ESR package, versions [,153.5)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.35% (28th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-20882665
  • published13 Oct 2026
  • disclosed13 Oct 2026
  • creditUnknown

Introduced: 13 Oct 2026

NewCVE-2026-109762  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 153.5 or higher.

Overview

Affected versions of this package are vulnerable to Improper Restriction of Operations within the Bounds of a Memory Buffer due to improper validation of input boundaries in the SVG rendering process. An attacker can cause unexpected behavior or potentially execute arbitrary code by crafting a malicious SVG file.

CVSS Base Scores

version 4.0
version 3.1