Kaspersky ID:
KLA91251
Fecha de detección:
09/01/2026
Actualizado:
09/09/2026

Descripción

Multiple vulnerabilities were found in Mozilla Thunderbird ESR. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, obtain sensitive information, spoof user interface.

Below is a complete list of vulnerabilities:

  1. Denial of service vulnerability in MIME parsing can be exploited remotely to cause denial of service.
  2. Security vulnerability can be exploited to bypass security restrictions.
  3. Information disclosure vulnerability can be exploited to obtain sensitive information.
  4. Security vulnerability in the Remote Settings Client component can be exploited to bypass security restrictions.
  5. A remote code execution vulnerability in the JavaScript: GC component can be exploited remotely to execute arbitrary code.
  6. A remote code execution vulnerability in the DOM: Navigation component can be exploited remotely to execute arbitrary code.
  7. A remote code execution vulnerability in the Audio/Video component can be exploited remotely to execute arbitrary code.
  8. A remote code execution vulnerability in the DOM: Security component can be exploited remotely to execute arbitrary code.
  9. A remote code execution vulnerability in the Graphics: WebGPU component can be exploited remotely to execute arbitrary code.
  10. A remote code execution vulnerability in the DOM: Core & HTML component can be exploited remotely to execute arbitrary code.
  11. Security vulnerability in the Application Update component can be exploited to bypass security restrictions.
  12. Information disclosure vulnerability in the Graphics: WebGPU component can be exploited to obtain sensitive information.
  13. Denial of service vulnerability in the Graphics component can be exploited remotely to cause denial of service.
  14. Information disclosure vulnerability in the Networking: HTTP component can be exploited to obtain sensitive information.
  15. Denial of service vulnerability in the Profile Backup component can be exploited remotely to cause denial of service.
  16. Denial of service vulnerability in the DOM: Navigation component can be exploited remotely to cause denial of service.
  17. Security UI vulnerability in the DOM: Core & HTML component can be exploited to spoof user interface.
  18. A remote code execution vulnerability in the Graphics: ImageLib component can be exploited remotely to execute arbitrary code.

Notas informativas originales

Explotación

Public exploits exist for this vulnerability.

Productos relacionados

Lista CVE

  • CVE-2026-74952
    critical
  • CVE-2026-75874
    critical
  • CVE-2026-84118
    high
  • CVE-2026-84119
    critical
  • CVE-2026-84120
    high
  • CVE-2026-84121
    critical
  • CVE-2026-84122
    high
  • CVE-2026-84123
    critical
  • CVE-2026-84124
    high
  • CVE-2026-84125
    high
  • CVE-2026-84129
    critical
  • CVE-2026-84130
    critical
  • CVE-2026-84131
    critical
  • CVE-2026-84132
    critical
  • CVE-2026-84133
    critical
  • CVE-2026-84134
    critical
  • CVE-2026-84136
    high
  • CVE-2026-84137
    warning
  • CVE-2026-84139
    high
  • CVE-2026-84140
    critical
  • CVE-2026-84141
    critical
  • CVE-2026-84143
    critical
  • CVE-2026-84144
    critical
  • CVE-2026-84145
    critical
  • CVE-2026-84637
    critical
  • CVE-2026-84639
    critical
  • CVE-2026-84640
    critical
  • CVE-2026-84641
    critical
  • CVE-2026-84642
    critical

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