CVE-2026-74934

None

Open

TLP:CLEAR

Site isolation issue in the Graphics: CanvasWebGL component

NVD CVE.org

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Description

Site isolation issue 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.

Details

Confidence: 90%
Published: Aug 18, 2026
Last Modified: Aug 18, 2026

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