Feed/CVE-2026-0879
CVE-2026-0879CRITICALCVSS 9.8

CVE-2026-0879

Published Jan 13, 2026·Updated Jul 15, 2026

NVD Description

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 147, Firefox ESR 115.32, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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