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Mozilla Firefox JIT Miscompilation Vulnerability

Vulnerability

A vulnerability exists in Mozilla Firefox versions prior to 143.0.3, related to just-in-time (JIT) compilation in the JavaScript engine. This miscompilation could potentially be exploited, although the exact exploitation details are not specified.

Impact

Exploitation of this vulnerability could lead to a high-impact issue, although the specific consequences are not detailed.

Remediation

Users can upgrade to Firefox version 143.0.3 to address this vulnerability.

Added: Sep 30, 2025, 1:16 PM
Updated: Sep 30, 2025, 1:16 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
4.4
remediation
7.7
relevance
0.6
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.