Live › vulnerability › CVE-2026-117924
Go to dashboardA use-after-free bug in the XSLT component of Firefox lets memory be reused after it is freed. The sources do not say what an attacker can do with it 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 a Firefox build older than the fixed releases can be affected, since the bug is in the browser's XSLT handling. The sources do not say whether a page or document must be opened to trigger it. unknown for whether server-side or embedded uses are affected.
No product ranges from the sources yet.
firefox --version159, 115.44 ESR, and 153.6 ESR159 or later on the current channel115.44 or 153.6 on the ESR channelEach row is the first time that source carried this signal. The analyst’s rows are its own findings.
Use-after-free in the XSLT 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-2026-117924")
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