Veille CVE

Mardi 6 octobre 2026

39 CVE

Critique 3 Élevée 32 Moyenne 4 Faible 0 Non évaluée 0 Exploitées (KEV) Tri : plus récentes « Mozilla Firefox » ✕
  1. CVE-2026-92025 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  2. CVE-2026-92026 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  3. CVE-2026-92027 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  4. CVE-2026-92028 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  5. CVE-2026-92029 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  6. CVE-2026-92030 5.4 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  7. CVE-2026-92031 6.5 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  8. CVE-2026-92006 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  9. CVE-2026-92007 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  10. CVE-2026-92008 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  11. CVE-2026-92009 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  12. CVE-2026-92010 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  13. CVE-2026-92011 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  14. CVE-2026-92012 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  15. CVE-2026-92013 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  16. CVE-2026-92014 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.

  17. CVE-2026-92015 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the WebExtensions component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  18. CVE-2026-92005 5.3 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  19. CVE-2026-92016 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  20. CVE-2026-92017 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Service Workers component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  21. CVE-2026-92018 9.6 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  22. CVE-2026-92019 8.1 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  23. CVE-2026-92020 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  24. CVE-2026-92021 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox ESR 140.16 and Thunderbird 140.16.

  25. CVE-2026-92022 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the DOM: HTML Parser component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  26. CVE-2026-92023 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the XML component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  27. CVE-2026-100756 8.1 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  28. CVE-2026-100767 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the Networking: Cache component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  29. CVE-2026-100768 8.8 Élevée

    Mozilla Thunderbird · Mozilla Firefox

    Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.

  30. CVE-2026-100769 8.8 Élevée

    Mozilla Thunderbird · Mozilla Firefox

    Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

  31. CVE-2026-100770 9.6 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape due to use-after-free in the DOM: Content Processes component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  32. CVE-2026-100771 8.1 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Undefined behavior in the DOM: Streams component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  33. CVE-2026-100772 8.8 Élevée

    Mozilla Thunderbird · Mozilla Firefox

    Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

  34. CVE-2026-92024 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

  35. CVE-2026-100773 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the Storage: IndexedDB component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  36. CVE-2026-100774 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the DOM: Core & HTML component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  37. CVE-2026-100775 9.6 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  38. CVE-2026-100776 8.8 Élevée

    Mozilla Thunderbird · Mozilla Firefox

    Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, and Firefox ESR 140.17.

  39. CVE-2026-100817 5.4 Moyenne

    Mozilla Thunderbird · Mozilla Firefox

    Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.