Live › vulnerability › CVE-2026-117963
Go to dashboardFirefox's Service Workers component has an incorrect boundary condition in the DOM code. The sources do not say what an attacker gets from 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 or Firefox ESR older than the fixed versions is in scope. The sources do not say which configurations or sites trigger the flaw.
No product ranges from the sources yet.
firefox --version153.6159 or later, or Firefox ESR to 153.6 or laterEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Incorrect boundary conditions in the DOM: Service Workers component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-117963")
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