Skip to contentMozilla Firefox vulnerabilities
- mozilla firefox, thunderbird +1 moreOther issue in the Console componentCVE-2026-117977Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the DOM: Navigation componentCVE-2026-117976Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to invalid pointer in the Graphics: WebRender componentCVE-2026-117975Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the XML componentCVE-2026-117974Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Networking: DNS componentCVE-2026-117973Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Graphics componentCVE-2026-117972Fix available8.8 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to use-after-free in the Print Preview componentCVE-2026-117971Fix available9.6 Critical
- mozilla firefox, thunderbird +1 moreRace condition in the Disability Access APIs componentCVE-2026-117970Fix available8.8 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the JavaScript Engine: JIT componentCVE-2026-117969Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117968Fix available8.8 High
- mozilla firefox, thunderbird +1 moreMitigation bypass in the DOM: Security componentCVE-2026-117967Fix available8.8 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Networking: HTTP componentCVE-2026-117966Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSame-origin policy bypass in the Address Bar componentCVE-2026-117965Fix available8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Panning and Zooming componentCVE-2026-117964Fix available8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the DOM: Service Workers componentCVE-2026-117963Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSandbox escape due to incorrect boundary conditions in the Storage: Quota Manager componentCVE-2026-117962Fix available9.6 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the Layout: Text and Fonts componentCVE-2026-117961Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSpoofing issue in the DOM: Core & HTML componentCVE-2026-117960Fix available4.7 Medium
- mozilla firefox, thunderbird +1 moreSite isolation issue in the DOM: Service Workers componentCVE-2026-117959Fix available8.1 High
- mozilla firefox, thunderbird +1 moreSite isolation issue in the Networking: HTTP componentCVE-2026-117958Fix available8.1 High
- mozilla firefox, thunderbird +1 moreCryptographic issue in the WebRTC: Networking componentCVE-2026-117957Fix available8.1 High
- mozilla firefox, thunderbird +1 moreInvalid pointer in the Nimbus Desktop Client componentCVE-2026-117956Fix available8.8 High
- mozilla firefox, thunderbird +1 moreJIT miscompilation in the JavaScript: WebAssembly componentCVE-2026-117955Fix available8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout: Positioned componentCVE-2026-117954Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117953Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUninitialized memory in the Networking componentCVE-2026-117952Fix available8.1 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117951Fix available8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the DOM: Core & HTML componentCVE-2026-117950Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117949Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the SVG componentCVE-2026-117948Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the XML componentCVE-2026-117947Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the JavaScript Engine componentCVE-2026-117946Fix available9.8 Critical
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the XML componentCVE-2026-117945Fix available9.8 Critical
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout componentCVE-2026-117944Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117943Fix available8.8 High
- mozilla firefox, thunderbird +1 moreIncorrect boundary conditions in the JavaScript Engine: JIT componentCVE-2026-117942Fix available7.3 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: CSS Object Model componentCVE-2026-117941Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117940Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the XML componentCVE-2026-117939Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout componentCVE-2026-117938Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreInvalid pointer in the JavaScript Engine componentCVE-2026-117937Fix available7.3 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117936Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Bindings (WebIDL) componentCVE-2026-117935Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the Layout componentCVE-2026-117934Fix available6.3 Medium
- mozilla firefox, thunderbird +1 moreFrame poisoning in the CSS Parsing and Computation componentCVE-2026-117933Fix available5.4 Medium
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117932Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Events componentCVE-2026-117931Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Bindings (WebIDL) componentCVE-2026-117930Fix available8.8 High
- mozilla firefox, thunderbird +1 moreUse-after-free in the DOM: Core & HTML componentCVE-2026-117929Fix available8.8 High
- mozilla firefox, thunderbird +1 moreSame-origin policy bypass in the CSS Parsing and Computation componentCVE-2026-117928Fix available8.1 High
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