Live › vulnerability › CVE-2026-117900
Go to dashboardA use-after-free bug in the DOM Editor component of Firefox lets memory be reused after it is freed. The sources do not say what an attacker gets from triggering it.
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 the fixed versions, including ESR branches. Organisations that manage Firefox centrally should check their deployed version. The sources do not say which configurations or content are needed to trigger the flaw.
No product ranges from the sources yet.
firefox --version115.44 and 153.6159 or later115.44 or 153.6, 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 DOM: Editor 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-2026-117900")
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