Skip to contentMozilla Thunderbird vulnerabilities
- mozilla firefox, thunderbird +1 moreMitigation bypass in the File Handling componentCVE-2026-109783Fix available8.3 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the File Handling componentCVE-2026-109782Fix available8.3 High
- mozilla firefox, thunderbird +1 moreDenial-of-service in the Printing: Output componentCVE-2026-109781Fix available6.5 Medium
- mozilla firefox, thunderbird +1 morePrivilege escalation in the WebExtensions componentCVE-2026-109778Fix available8.8 High
- mozilla firefox, thunderbird +1 moreInformation disclosure in the Storage: IndexedDB componentCVE-2026-109777Fix available4.3 Medium
- mozilla firefox, thunderbird +1 moreRace condition in the XPCOM componentCVE-2026-109776Fix available4.2 Medium
- mozilla firefox, thunderbird +1 moreDenial-of-service in the WebRTC componentCVE-2026-109775Fix available6.5 Medium
- mozilla firefox, thunderbird +1 moreSpoofing issue in the DOM: Web Serial componentCVE-2026-109770Fix available6.1 Medium
- mozilla firefox, thunderbird +1 moreInformation disclosure in the Networking componentCVE-2026-109767Fix available4.3 Medium
- mozilla firefox, thunderbird +1 moreMitigation bypass in the Enterprise Policies componentCVE-2026-109766Fix available8.1 High
- mozilla firefox, thunderbird +1 moreRace condition, use-after-free in the Graphics: Text componentCVE-2026-109765Fix available4.2 Medium
- mozilla firefox, thunderbird +1 moreMitigation bypass in the Enterprise Policies componentCVE-2026-109764Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreMitigation bypass in the File Handling componentCVE-2026-109763Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the SVG componentCVE-2026-109762Fix available8.8 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the Networking: HTTP componentCVE-2026-109760Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Networking componentCVE-2026-109759Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to race condition in the Networking componentCVE-2026-109757Fix available8.3 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the DOM: Navigation componentCVE-2026-109756Fix available8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the DOM: Editor componentCVE-2026-109754Fix available8.1 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Layout componentCVE-2026-109753Fix available8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Workers componentCVE-2026-109752Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreInformation disclosure in the Networking componentCVE-2026-109751Fix available4.3 Medium
- mozilla firefox, thunderbird +1 moreSandbox escape due to uninitialized memory in the DOM: Web Serial componentCVE-2026-109745Fix available9.6 Critical
- mozilla firefox, thunderbird +1 moreOther issue in the DOM: File componentCVE-2026-109744Fix available8.1 High
- mozilla firefox, thunderbird +1 morePrivilege escalation in the Panning and Zooming componentCVE-2026-109743Fix available8.8 High
- mozilla firefox, thunderbird +1 moreInformation disclosure in the PDF Viewer componentCVE-2026-109742Fix available4.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the Storage: Bucket File System componentCVE-2026-109741Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Widget: Win32 componentCVE-2026-1097409.6 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Audio/Video: Playback componentCVE-2026-109738Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreMitigation bypass in the Enterprise Policies componentCVE-2026-109737Fix available8.1 High
- mozilla firefox, thunderbird +1 moreFrame poisoning in the Layout componentCVE-2026-109736Fix available8.1 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Security componentCVE-2026-109734Fix available8.1 High
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript Engine: JIT componentCVE-2026-109733Fix available8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Streams componentCVE-2026-109732Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Graphics: Canvas2D componentCVE-2026-109731Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreInteger overflow in the Graphics componentCVE-2026-109730Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the JavaScript Engine: JIT componentCVE-2026-109729Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Animation componentCVE-2026-109728Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the Audio/Video componentCVE-2026-109727Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the SVG componentCVE-2026-109726Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-109725Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-109724Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreInteger overflow in the Layout: Text and Fonts componentCVE-2026-109723Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript Engine: JIT componentCVE-2026-109722Public exploitFix available8.1 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the JavaScript Engine: JIT componentCVE-2026-109721Public exploitFix available5.4 Medium
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript: WebAssembly componentCVE-2026-109720Fix available7.1 High
- mozilla firefox, thunderbird +1 moreRace condition, use-after-free in the Graphics: CanvasWebGL componentCVE-2026-109719Fix available4.2 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the XML componentCVE-2026-109718Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Bindings (WebIDL) componentCVE-2026-109717Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the JavaScript Engine componentCVE-2026-109716Fix available8.1 High
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