Remote Code Execution Vulnerability in Firefox by Mozilla

CVE-2025-10529

What is CVE-2025-10529?

A remote code execution vulnerability has been identified in Firefox versions below 143 and Firefox Extended Support Release (ESR) below 140.3. This vulnerability allows attackers to execute arbitrary code on affected installations, which could lead to unauthorized access and manipulation of user systems. It is crucial for Firefox users to update to the latest version to mitigate potential exploitation risks.

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