Memory Safety Vulnerabilities in Firefox and Thunderbird from Mozilla
CVE-2026-2807

Currently unrated

Key Information:

Vendor: Mozilla
Status: Firefox; Thunderbird
Vendor: CVE Published:; 24 February 2026

What is CVE-2026-2807?

Mozilla's Firefox and Thunderbird versions prior to 148 contain memory safety bugs that may potentially allow an attacker to exploit memory corruption issues. These vulnerabilities could be exploited to execute arbitrary code under certain conditions. Users are advised to update to the latest versions to mitigate these security risks.

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