Search: CVE-2026-0891

1 threat

Severity	CVSS	Signals	Threat	Source	Published	Score and star
High	8.1	EPSS 0.5%	CVE-2026-0891Mozilla Firefox · Memory Buffer Overflow High8.1EPSS 0.5%2026-01-13CVE Database V5CVE-2026-0891 Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7. EPSS 0.5%Vulnerability CWE-119	CVE Database V5	2026-01-13

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