Threat database

971 threats

Severity	CVSS	Signals	Threat	Source	Published
Medium	5.4	EPSS 0.2%	CVE-2026-6774Mozilla Firefox · Vulnerability Medium5.4EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6774 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.3%	CVE-2026-6773Mozilla Firefox · Vulnerability High7.5EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6773 Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.4%	CVE-2026-6772Mozilla Firefox · Unchecked Error Condition High7.5EPSS 0.4%2026-04-21CVE Database V5CVE-2026-6772 Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.4%Vulnerability Mozilla	CVE Database V5	2026-04-21
Critical	9.8	EPSS 0.3%	CVE-2026-6771Mozilla Firefox · Vulnerability Critical9.8EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6771 Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.5	EPSS 3.9%	CVE-2026-6770Mozilla Firefox · Information Exposure Medium6.5EPSS 3.9%2026-04-21CVE Database V5CVE-2026-6770 Other issue in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 3.9%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	8.8	EPSS 0.2%	CVE-2026-6769Mozilla Firefox · Vulnerability High8.8EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6769 Privilege escalation in the Debugger component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
Critical	9.8	EPSS 0.3%	CVE-2026-6768Mozilla Firefox · Vulnerability Critical9.8EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6768 Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	5.3	EPSS 0.2%	CVE-2026-6767Mozilla Firefox · Memory Buffer Overflow Medium5.3EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6767 Other issue in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.3%	CVE-2026-6766Mozilla Firefox · Unchecked Error Condition High7.5EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6766 Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	5.3	EPSS 0.2%	CVE-2026-6765Mozilla Firefox · Vulnerability Medium5.3EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6765 Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.5	EPSS 0.2%	CVE-2026-6764Mozilla Firefox · Memory Buffer Overflow Medium6.5EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6764 Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.5	EPSS 0.2%	CVE-2026-6763Mozilla Firefox · Vulnerability Medium6.5EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6763 Mitigation bypass in the File Handling component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.3	EPSS 0.2%	CVE-2026-6762Mozilla Firefox · Vulnerability Medium6.3EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6762 Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	8.8	EPSS 0.2%	CVE-2026-6761Mozilla Firefox · Vulnerability High8.8EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6761 Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21
Critical	9.8	EPSS 0.3%	CVE-2026-6760Mozilla Firefox · Vulnerability Critical9.8EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6760 Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.4%	CVE-2026-6759Mozilla Firefox · Vulnerability High7.5EPSS 0.4%2026-04-21CVE Database V5CVE-2026-6759 Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.4%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.8%	CVE-2026-6758Mozilla Firefox · Vulnerability High7.5EPSS 0.8%2026-04-21CVE Database V5CVE-2026-6758 Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.8%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.3	EPSS 0.5%	CVE-2026-6757Mozilla Firefox · Vulnerability Medium6.3EPSS 0.5%2026-04-21CVE Database V5CVE-2026-6757 Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10. EPSS 0.5%Vulnerability Mozilla	CVE Database V5	2026-04-21
High	7.5	EPSS 0.3%	CVE-2026-6756Mozilla Firefox · Information Exposure High7.5EPSS 0.3%2026-04-21CVE Database V5CVE-2026-6756 Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150. EPSS 0.3%Vulnerability Mozilla	CVE Database V5	2026-04-21
Medium	6.5	EPSS 0.2%	CVE-2026-6755Mozilla Firefox · Cross-Site Request Forgery Medium6.5EPSS 0.2%2026-04-21CVE Database V5CVE-2026-6755 Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150 and Thunderbird 150. EPSS 0.2%Vulnerability Mozilla	CVE Database V5	2026-04-21

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