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Mozilla Firefox Denial-of-Service Vulnerability in NSS Libraries Component

Vulnerability

A denial-of-service vulnerability has been identified in the Libraries component of Network Security Services (NSS), affecting Mozilla Firefox versions prior to 149. This vulnerability can be exploited to disrupt the normal functioning of the application.

Impact

Exploitation of this vulnerability leads to a denial-of-service condition, causing Firefox to become unresponsive or to crash.

Remediation

Users can upgrade to Firefox 149 to address this vulnerability.

Added: Mar 24, 2026, 1:20 PM
Updated: Mar 24, 2026, 1:20 PM

Vulnerability Rating

Custom Algorithm
spread
9.2
impact
3.3
exploitability
6.4
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.