Veille CVE

Juillet 2026

68 CVE

Critique 39 Élevée 23 Moyenne 6 Faible 0 Non évaluée 0 Exploitées (KEV) Tri : plus récentes « mozilla firefox » ✕
  1. CVE-2026-16412 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  2. CVE-2026-16411 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Memory safety bugs present in Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  3. CVE-2026-16410 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  4. CVE-2026-16409 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Invalid pointer in the Security: PSM component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  5. CVE-2026-16408 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  6. CVE-2026-16407 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  7. CVE-2026-16406 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  8. CVE-2026-16405 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  9. CVE-2026-16404 7.4 Élevée

    Mozilla Firefox · Mozilla firefox mobile

    Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.

  10. CVE-2026-16403 6.5 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  11. CVE-2026-16402 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  12. CVE-2026-16401 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the Data Loss Prevention component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  13. CVE-2026-16400 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  14. CVE-2026-16399 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  15. CVE-2026-16398 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Site isolation issue in the Graphics component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  16. CVE-2026-16397 6.5 Moyenne

    Mozilla Firefox

    Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.

  17. CVE-2026-16396 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in WebExtensions. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  18. CVE-2026-16395 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  19. CVE-2026-16394 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  20. CVE-2026-16393 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  21. CVE-2026-16392 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  22. CVE-2026-16391 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the Storage: IndexedDB component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  23. CVE-2026-16390 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the Enterprise Policies component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  24. CVE-2026-16389 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions, integer overflow in the Libraries component in NSS. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  25. CVE-2026-16388 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  26. CVE-2026-16387 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Site isolation issue in the Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  27. CVE-2026-16386 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  28. CVE-2026-16385 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  29. CVE-2026-16384 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure due to uninitialized memory in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  30. CVE-2026-16383 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  31. CVE-2026-16382 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  32. CVE-2026-16381 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  33. CVE-2026-16380 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  34. CVE-2026-16379 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  35. CVE-2026-16378 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Other issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  36. CVE-2026-16377 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the PDF Viewer component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  37. CVE-2026-16376 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Denial-of-service in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  38. CVE-2026-16375 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Site isolation issue in the Networking: HTTP component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  39. CVE-2026-16374 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the Framework component in DevTools. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  40. CVE-2026-16373 7.5 Élevée

    Mozilla Firefox · Mozilla firefox mobile

    Information disclosure in the Privacy component in Firefox for Android. This vulnerability was fixed in Firefox 153.

  41. CVE-2026-16372 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Content Processes component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  42. CVE-2026-16371 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, Thunderbird 140.13, Firefox ESR 140.15, and Thunderbird 140.15.

  43. CVE-2026-16370 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Mitigation bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  44. CVE-2026-16369 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Integer overflow in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  45. CVE-2026-16368 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  46. CVE-2026-16367 10.0 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  47. CVE-2026-16366 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  48. CVE-2026-16365 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Privilege escalation in the DOM: Workers component. This vulnerability was fixed in Firefox 153, Thunderbird 153, Firefox ESR 140.15, and Thunderbird 140.15.

  49. CVE-2026-16364 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

  50. CVE-2026-16363 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  51. CVE-2026-16362 8.8 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Use-after-free in the WebRTC: Audio/Video component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  52. CVE-2026-16361 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.

  53. CVE-2026-16360 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  54. CVE-2026-16359 9.1 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Audio/Video: GMP component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  55. CVE-2026-16358 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  56. CVE-2026-16357 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  57. CVE-2026-16356 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  58. CVE-2026-16355 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  59. CVE-2026-16354 7.5 Élevée

    Mozilla Firefox · Mozilla Thunderbird

    Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  60. CVE-2026-16353 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Invalid pointer in the DOM: Bindings (WebIDL) component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  61. CVE-2026-16352 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  62. CVE-2026-16351 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  63. CVE-2026-16350 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Incorrect boundary conditions in the Audio/Video: cubeb component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  64. CVE-2026-16349 9.8 Critique

    Mozilla Firefox · Mozilla Thunderbird

    Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

  65. CVE-2026-15719 5.4 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.

  66. CVE-2026-15718 4.3 Moyenne

    Mozilla Firefox · Mozilla Thunderbird

    We are aware that exploit code for this is public however we are not aware of any attacks in the wild abusing this flaw. This vulnerability was fixed in Firefox 152.0.6, Firefox ESR 140.13, and Thunderbird 140.13.

  67. CVE-2026-14906 5.3 Moyenne

    Mozilla Firefox for iOS · Mozilla firefox mobile

    Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4.

  68. CVE-2026-13356 6.3 Moyenne

    Mozilla Firefox for iOS · Mozilla firefox

    A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3.