Search: CVE-2026-109705

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
Critical	9.6	EPSS 0.3%	CVE-2026-109705Mozilla Firefox · Use After Free Critical9.6EPSS 0.3%2026-10-13CVE Database V5CVE-2026-109705 CVE-2026-109705 is a critical security vulnerability in Mozilla Firefox and Thunderbird involving a use-after-free flaw in the Networking component. This issue leads to sandbox escape and site isolation failures due to incorrect boundary conditions. The vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird ESR 153.5. EPSS 0.3%Vulnerability CWE-416	CVE Database V5	2026-10-13

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