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CVE-2026-4690

Firefox

Descrição

Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.

CVSS 8.6EPSS 0.773%Risco 0.92
Ver fonte
Publicação
2026-03-24 13:16:04
Versões afetadas
<149
Tipo
Core software
Vetor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H