Live › vulnerability › CVE-2026-117984
Go to dashboardMozilla Firefox has a flaw in how its Layout Scrolling and Overflow component handles boundary conditions. The sources do not say what an attacker gets from it beyond the general memory-safety-style class of bug.
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 159 or Firefox ESR older than 153.6. The sources do not describe the exact trigger, so whether web content alone is enough is unknown.
No product ranges from the sources yet.
firefox --version (or check About Firefox) and compare with 159 or 153.6 for ESR.159 or later, or Firefox ESR to 153.6 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Incorrect boundary conditions in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117984")
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