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Vulnerabilities of Mozilla Firefox

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CVE Summary Score Published
CVE-2026-109779 Race condition in the Networking: DNS component 4.2 Medium Oct 13, 2026
CVE-2026-109780 Mitigation bypass in the DOM: Core & HTML component 9.8 Critical Oct 13, 2026
CVE-2026-109781 Denial-of-service in the Printing: Output component 6.5 Medium Oct 13, 2026
CVE-2026-109773 Denial-of-service in the Sync component 6.5 Medium Oct 13, 2026
CVE-2026-109774 Invalid pointer, undefined behavior in the DOM: Notifications component 9.8 Critical Oct 13, 2026
CVE-2026-109775 Denial-of-service in the WebRTC component 6.5 Medium Oct 13, 2026
CVE-2026-109776 Race condition in the XPCOM component 4.2 Medium Oct 13, 2026
CVE-2026-109777 Information disclosure in the Storage: IndexedDB component 4.3 Medium Oct 13, 2026
CVE-2026-109772 Same-origin policy bypass in the DevTools component 9.1 Critical Oct 13, 2026
CVE-2026-109768 Denial-of-service in the Site Reports component 6.5 Medium Oct 13, 2026
CVE-2026-109769 Information disclosure in the Networking: Cache component 4.3 Medium Oct 13, 2026
CVE-2026-109770 Spoofing issue in the DOM: Web Serial component 6.1 Medium Oct 13, 2026
CVE-2026-109771 Information disclosure in the WebRTC: Networking component 4.3 Medium Oct 13, 2026
CVE-2026-109764 Mitigation bypass in the Enterprise Policies component 5.4 Medium Oct 13, 2026
CVE-2026-109765 Race condition, use-after-free in the Graphics: Text component 4.2 Medium Oct 13, 2026
CVE-2026-109766 Mitigation bypass in the Enterprise Policies component 8.1 High Oct 13, 2026
CVE-2026-109767 Information disclosure in the Networking component 4.3 Medium Oct 13, 2026
CVE-2026-109762 Incorrect boundary conditions in the SVG component 8.8 High Oct 13, 2026
CVE-2026-109763 Mitigation bypass in the File Handling component 5.4 Medium Oct 13, 2026
CVE-2026-109760 Mitigation bypass in the Networking: HTTP component 8.1 High Oct 13, 2026
CVE-2026-109761 Use-after-free in the JavaScript: WebAssembly component 5.4 Medium Oct 13, 2026
CVE-2026-109755 Sandbox escape in the DOM: Content Processes component 9.6 Critical Oct 13, 2026
CVE-2026-109756 Privilege escalation in the DOM: Navigation component 8.8 High Oct 13, 2026
CVE-2026-109757 Sandbox escape due to race condition in the Networking component 8.3 High Oct 13, 2026
CVE-2026-109759 Site isolation issue in the Networking component 8.1 High Oct 13, 2026

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