Live › vulnerability › CVE-2026-117879
Go to dashboardFirefox's Layout Tables component mishandles boundary conditions, a memory-safety style flaw the sources do not detail. The fix ships in Firefox 159 and Firefox ESR 115.44 and 153.6, and the sources do not say what an attacker gets.
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 Firefox or Firefox ESR builds older than the fixed versions, on desktop or in managed fleets. The sources do not say whether specific page content, configurations or platforms are required to trigger it.
No product ranges from the sources yet.
firefox --version or check Help > About Firefox and compare against 159, 115.44 or 153.6159 or later115.44 or 153.6Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Incorrect boundary conditions in the Layout: Tables 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-2026-117879")
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