Live › vulnerability › CVE-2026-117947
Go to dashboardA use-after-free bug in the XML component of Firefox was fixed in Firefox 159 and Firefox ESR 153.6. The sources do not say what an attacker gets beyond the memory corruption class of the flaw.
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 builds older than 159 or Firefox ESR older than 153.6 is affected. The sources do not say which configurations or content are needed to trigger it.
No product ranges from the sources yet.
Unknown from the sources.
159 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 XML component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117947")
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