Feed/CVE-2026-0878
CVE-2026-0878HIGHCVSS 8.0

CVE-2026-0878

Published Jan 13, 2026·Updated Jul 15, 2026

NVD Description

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

CVSS Vector

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

References

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