CVE-2026-74949

None

Open

TLP:CLEAR

Privilege escalation due to use-after-free in the Graphics: Canvas2D component

NVD CVE.org

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Description

Privilege escalation due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, and Firefox ESR 153.1.

Details

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

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