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Mozilla Firefox Web Codecs Component Boundary Condition Vulnerability

Vulnerability

A vulnerability has been identified in the Audio/Video: Web Codecs component of Mozilla Firefox. This issue arises from incorrect boundary conditions, which could potentially be exploited. The vulnerability is present in Firefox versions prior to 151, as well as in Firefox ESR 115.35 and Firefox ESR 140.10.

Impact

Exploitation of this vulnerability could lead to a denial-of-service condition by causing the application to crash or become unresponsive.

Remediation

Users can upgrade to Firefox 151, Firefox ESR 115.36, or Firefox ESR 140.11 to address this vulnerability.

Added: May 19, 2026, 2:52 PM
Updated: May 19, 2026, 2:52 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
remediation
7.7
relevance
8.8
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.