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Mozilla Firefox and Firefox ESR Incorrect Boundary Conditions in Audio/Video Component Vulnerability

Vulnerability

A vulnerability exists in the Audio/Video component of Mozilla Firefox versions prior to 149 and Firefox ESR versions prior to 140.9. This vulnerability is due to incorrect boundary conditions, which could potentially be exploited under certain circumstances.

Impact

Exploitation of this vulnerability could lead to a sandbox escape, allowing malicious content to interact with the host environment in an unauthorized manner.

Remediation

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

Added: Mar 24, 2026, 1:34 PM
Updated: Mar 24, 2026, 1:34 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.