Memory Safety Vulnerabilities in Firefox and Thunderbird Products by Mozilla
CVE-2026-2793

Currently unrated

Key Information:

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

What is CVE-2026-2793?

Multiple memory safety vulnerabilities have been identified in various versions of Firefox and Thunderbird, leading to potential memory corruption issues. These vulnerabilities may allow attackers to execute arbitrary code if successfully exploited. Users are advised to upgrade to the latest versions to mitigate the risks associated with these vulnerabilities.

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