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Mozilla Firefox Mitigation Bypass Vulnerability in the DOM: Security Component

Vulnerability

A mitigation bypass vulnerability has been identified in the DOM: Security component of Mozilla Firefox. This issue affects Firefox versions prior to 147, as well as Firefox ESR versions prior to 115.32 and prior to 140.7.

Impact

Exploitation of this vulnerability could lead to a bypass of security mitigations, potentially allowing for unauthorized actions or access within the application.

Remediation

Users can upgrade to Firefox 147 or Firefox ESR 115.32 or 140.7 to address this vulnerability.

Added: Jan 13, 2026, 2:36 PM
Updated: Jan 13, 2026, 8:34 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
remediation
7.7
relevance
2.0
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.