Live › vulnerability › CVE-2026-117905
Go to dashboardA use-after-free bug in Firefox's Audio/Video Playback component can corrupt memory when media is handled. The sources do not say what an attacker gains beyond memory corruption, such as code execution.
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 builds older than the fixed versions, including managed desktop fleets. The sources do not say whether specific media content or settings are required to trigger it, so unknown. Systems on the fixed versions are not affected.
No product ranges from the sources yet.
firefox --version159 or later115.44 or later153.6 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 Audio/Video: Playback 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-2026-117905")
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