CVEs published in October 2026
17,265 vulnerabilities, 1,627 critical, 21 exploited.
- mozilla firefox, thunderbird +1 moreInformation disclosure in the Networking: DNS component8.1 High
- mozilla firefox, thunderbird +1 moreInformation disclosure due to race condition in the Networking component8.1 High
- mozilla firefox, thunderbird +1 moreInformation disclosure in the Networking: HTTP component8.1 High
- mozilla firefox, thunderbird +1 moreRace condition in the IPC component8.8 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Push Subscriptions component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Widget component9.6 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the WebRTC component8.1 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the DOM: UI Events & Focus Handling component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the JavaScript: GC component8.8 High
- mozilla firefox, thunderbird +1 moreInteger overflow in the Graphics: Text component8.8 High
- mozilla firefox, thunderbird +1 moreInformation disclosure in the CSS Parsing and Computation component6.5 Medium
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Layout: Text and Fonts component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Graphics: WebRender component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component9.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Graphics component9.6 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Layout: Scrolling and Overflow component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the JavaScript Engine: JIT component9.8 Critical
- mozilla firefox, thunderbird +1 morePrivilege escalation in the Toolkit component9.8 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component9.8 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Graphics: WebRender component8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Graphics component8.1 High
- mozilla firefox, thunderbird +1 moreOther issue in the Console component8.1 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the DOM: Navigation component8.1 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to invalid pointer in the Graphics: WebRender component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the XML component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Networking: DNS component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics component8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Print Preview component9.6 Critical
- mozilla firefox, thunderbird +1 moreRace condition in the Disability Access APIs component8.8 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the JavaScript Engine: JIT component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Security component8.8 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Networking: HTTP component8.1 High
- mozilla firefox, thunderbird +1 moreSame-origin policy bypass in the Address Bar component8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Panning and Zooming component8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the DOM: Service Workers component8.1 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Storage: Quota Manager component9.6 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Layout: Text and Fonts component8.1 High
- mozilla firefox, thunderbird +1 moreSpoofing issue in the DOM: Core & HTML component4.7 Medium
- mozilla firefox, thunderbird +1 moreSite isolation issue in the DOM: Service Workers component8.1 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Networking: HTTP component8.1 High
- mozilla firefox, thunderbird +1 moreCryptographic issue in the WebRTC: Networking component8.1 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the Nimbus Desktop Client component8.8 High
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript: WebAssembly component8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout: Positioned component8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML component8.8 High
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