Live › vulnerability › CVE-2026-118003
Go to dashboardA flaw in the DNS networking component of Firefox can disclose information. The sources do not say what data leaks or how an attacker triggers 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.
Teams whose staff or systems run Firefox builds older than 159 or ESR older than 153.6 are exposed. The sources do not say which configurations or settings matter, so the exact exposure is unknown. Systems already running the fixed releases can skip it.
No product ranges from the sources yet.
firefox --version or the About Firefox page.159 or later.153.6 or later.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Information disclosure in the Networking: DNS component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.
This page as .md · .json · in your agent: get_signal("CVE-2026-118003")
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