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Mozilla Firefox and Thunderbird Memory Safety Vulnerability Allowing Arbitrary Code Execution

Vulnerability

A memory safety vulnerability has been identified in Mozilla Firefox and Thunderbird versions prior to 144. This vulnerability exhibits signs of memory corruption, which could potentially be exploited to execute arbitrary code with sufficient effort.

Impact

Exploitation of this vulnerability could lead to arbitrary code execution.

Remediation

Users can upgrade to Firefox or Thunderbird version 144 to address this vulnerability.

Added: Oct 14, 2025, 1:23 PM
Updated: Oct 14, 2025, 11:37 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
4.4
remediation
7.7
relevance
0.7
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.