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critical advisory

Uninitialized Memory Vulnerability in Firefox Canvas2D (CVE-2026-4715)

CVE-2026-4715 is a critical vulnerability involving uninitialized memory in the Graphics: Canvas2D component of Firefox, Firefox ESR, and Thunderbird, potentially leading to information disclosure or arbitrary code execution.

cve-2026-4715 firefox thunderbird uninitialized-memory vulnerability
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