Live › vulnerability › CVE-2026-117865
Go to dashboardA use-after-free bug in the JavaScript garbage collector of Firefox could let a malicious page corrupt memory. The sources do not say what an attacker can achieve 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. The sources do not say whether the bug needs a particular page or configuration to trigger, so unknown beyond that.
No product ranges from the sources yet.
firefox --version.153.6.159 or later.153.6 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117865")
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