Security Advisory

CVE-2026-0878

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-13 13:30:53

Last updated 2026-04-13 13:51:40

Assigner mozilla

State PUBLISHED

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.

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