Kaspersky ID:
KLA12376
Fecha de detección:
12/07/2021
Actualizado:
01/28/2026

Descripción

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

Below is a complete list of vulnerabilities:

  1. Security UI vulnerability can be exploited to spoof user interface.
  2. Information disclosure vulnerability in XMLHttpRequest can be exploited to obtain sensitive information.
  3. Denial of service vulnerability in Location API can be exploited to cause denial of service.
  4. Information disclosure vulnerability in asynchronous function can be exploited to obtain sensitive information.
  5. Security bypass vulnerability in CSP sandbox directive can be exploited to bypass security restrictions.
  6. Heap buffer overflow vulnerability in structured clone can be exploited to cause denial of service.
  7. Use after free vulnerability in GC can be exploited to cause denial of service.
  8. Security UI vulnerability in full screen and pointer lock can be exploited to spoof user interface.
  9. Security UI vulnerability in cursor can be exploited to spoof user interface.
  10. Security vulnerability in composition area can be exploited to bypass security restrictions.
  11. Memory safety vulnerability can be exploited to execute arbitrary code.

Notas informativas originales

Explotación

Public exploits exist for this vulnerability.

Productos relacionados

Lista CVE

  • CVE-2021-43541
    high
  • CVE-2021-43542
    high
  • CVE-2021-43545
    high
  • CVE-2021-43536
    high
  • CVE-2021-43543
    high
  • CVE-2021-43537
    critical
  • CVE-2021-43539
    critical
  • CVE-2021-43538
    warning
  • CVE-2021-43546
    warning
  • CVE-2021-43528
    high
  • CVE-2021-4129
    critical

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