Mozilla Firefox and Firefox ESR Incorrect Boundary Conditions in Canvas2D Component Vulnerability

Vulnerability

A vulnerability exists in the Graphics: Canvas2D component of Mozilla Firefox and Firefox ESR, specifically in versions prior to Firefox 149, Firefox ESR 115.34, and Firefox ESR 140.9. This vulnerability arises from incorrect boundary conditions, which could potentially be exploited to cause unintended behavior in the application.

Impact

Exploitation of this vulnerability could lead to a sandbox escape, allowing malicious content to interact with the underlying system or application in an unauthorized manner.

Remediation

Users can upgrade to Firefox 149, Firefox ESR 115.34, or Firefox ESR 140.9 to address this vulnerability.

Added: Mar 24, 2026, 2:03 PM
Updated: Mar 24, 2026, 2:03 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
1.9
exploitability
4.4
remediation
7.7
relevance
4.6
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.