Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.
2026年9月4日
CVE-2026-74946 [HIGH] – Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL com
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