Memory Safety Vulnerability in Firefox Browser by Mozilla

CVE-2026-12308

What is CVE-2026-12308?

A memory safety vulnerability was identified in Mozilla's Firefox, specifically in version 152 and Firefox ESR 140.12. This flaw could potentially allow for unauthorized access or manipulation of memory, leading to execution of arbitrary code. Mozilla has addressed the issue in the respective versions, ensuring enhanced security for users. It is highly recommended for users to update their browsers to the latest versions to mitigate any potential risks associated with this vulnerability.

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