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

Vulnerability

A vulnerability exists in the JavaScript WebAssembly component of Mozilla Firefox and Firefox ESR. It arises from incorrect boundary conditions, potentially leading to unspecified impacts. This issue affects Firefox versions prior to 145 and Firefox ESR versions prior to 140.5.

Impact

Exploitation of this vulnerability could lead to significant issues, although the specific consequences are not detailed.

Remediation

Users can upgrade to Firefox 145 or Firefox ESR 140.5 to address this vulnerability.

Added: Nov 11, 2025, 4:30 PM
Updated: Nov 11, 2025, 4:30 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
4.4
remediation
7.7
relevance
0.9
threat
0.0
urgency
2.9
incentive
0.8

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