Memory Safety Issue in Firefox by Mozilla

CVE-2026-12310

What is CVE-2026-12310?

A memory safety vulnerability has been identified in Firefox that can potentially lead to unintended behaviors and security risks. This issue was addressed in Firefox version 152 and its Extended Support Release (ESR) version 140.12, ensuring enhanced protection for users against potential exploits related to this flaw. Users are encouraged to update their Firefox installations to mitigate the risks associated with this vulnerability.

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