Live › vulnerability › CVE-2026-117902
Go to dashboardA use-after-free bug in the Layout: Text and Fonts component of Firefox lets memory be reused after it is freed. The sources do not say what an attacker can do with it 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 Firefox or Firefox ESR older than the fixed versions, on desktops or managed fleets. The sources do not say whether a page load alone is enough to trigger it or whether any special setting is needed.
No product ranges from the sources yet.
firefox --versionfirefox --version on the managed host159 or later153.6 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 Layout: Text and Fonts component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117902")
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