Live › vulnerability › CVE-2026-117944
Go to dashboardA use-after-free bug in Firefox's Layout component lets memory be reused after it is freed. The sources do not say what an attacker gets beyond that, so impact is unclear.
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 releases, on desktop or in ESR deployments. The sources do not say which configurations or content are needed to trigger it, so unknown.
No product ranges from the sources yet.
about:support in the browser menu and compare it with the fixed releases159 or later115.44 or later on the 115 branch153.6 or later on the 153 branchEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use-after-free in the Layout 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-2026-117944")
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