Live › vulnerability › CVE-2026-117918
Go to dashboardA use-after-free bug in Firefox's Canvas2D graphics component can corrupt memory when a page draws on a canvas. The sources do not say what an attacker can achieve beyond that.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-27 14:32 UTC. All times on this page are UTC.
Anyone running a Firefox build older than the fixed releases on a desktop or in a managed fleet. The sources do not say whether web content alone can trigger the flaw or whether special settings are needed.
No product ranges from the sources yet.
about:support and reading the Application Basics section.115.44 or 153.6 or later, depending on the ESR branch in use.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117918")
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