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Mozilla Firefox Memory Safety Vulnerability Allowing Potential Arbitrary Code Execution

Vulnerability

A vulnerability in Mozilla Firefox 150 was identified, related to memory safety. Some of these memory safety bugs showed signs of memory corruption, and it is presumed that with sufficient effort, they could have been exploited to execute arbitrary code. This issue was resolved in Firefox 151.

Impact

Exploitation of this vulnerability could have led to arbitrary code execution.

Remediation

Users can upgrade to Firefox 151 to address this vulnerability.

Added: May 19, 2026, 3:08 PM
Updated: May 19, 2026, 3:08 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.8
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.