Memory Safety Issue in Firefox by Mozilla

CVE-2026-12305

What is CVE-2026-12305?

A memory safety issue has been identified and addressed in multiple versions of Mozilla's Firefox browser. This vulnerability could potentially lead to program crashes or unintended information disclosure. The issue has been rectified in Firefox version 152 and Firefox ESR version 140.12, ensuring that user data remains secure and protected from possible exploitation. For users, the update is pivotal to maintaining the integrity and confidentiality of their online activities. Users are strongly encouraged to upgrade to the latest versions to safeguard against potential threats.

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