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Mozilla Firefox Use-After-Free Vulnerability in WebAssembly Component

Vulnerability

A use-after-free vulnerability has been identified in the WebAssembly component of Mozilla Firefox. This issue allows for memory management errors that could potentially be exploited. The vulnerability affects Firefox versions prior to 150.0.3.

Impact

Exploitation of this vulnerability could lead to memory corruption, allowing for potential arbitrary code execution or causing a crash.

Remediation

Users can upgrade to Firefox version 150.0.3 to address this vulnerability.

Added: May 12, 2026, 2:19 PM
Updated: May 12, 2026, 2:19 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
7.5
exploitability
3.6
remediation
7.7
relevance
8.1
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.