Use-After-Free Vulnerability in Firefox Graphics: Canvas2D Component

CVE-2026-100789

What is CVE-2026-100789?

A use-after-free vulnerability has been identified in the Graphics: Canvas2D component of Mozilla Firefox. This flaw may allow an attacker to exploit memory handling issues, potentially leading to arbitrary code execution. The vulnerability affects multiple versions of Firefox, prompting the need for users to update to the specified secured releases. Affected users should prioritize updating to mitigate any potential risks associated with this vulnerability.

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