Live › vulnerability › CVE-2026-117989
Go to dashboardA use-after-free bug in Firefox's Graphics component lets memory be reused after it is freed. The sources do not say what an attacker gets beyond that, and the fix ships in Firefox 159 and Firefox ESR 153.6.
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 (release) or older than (ESR). The sources do not say which configurations or content are needed to trigger it, so unknown.
159153.6No product ranges from the sources yet.
firefox --version (or check About Firefox) and compare against 159 for the release channel or 153.6 for ESR159 or later, or Firefox ESR to 153.6 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117989")
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