Multiple vulnerabilities in Mozilla Thunderbird

Popis

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

Below is a complete list of vulnerabilities:

1. A security bypass vulnerability can be exploited to bypass security restrictions.
2. A use-after-free vulnerability can be exploited to potentially cause denial of service.
3. A memory safety vulnerability can be exploited to to cause denial of service and execute arbitrary code.
4. OSI vulnerability can be exploited via special crafted PDF file to obtain sensitive information.
5. A security vulnerability in STARTTLS connection can be exploited to bypass security restrictions.
6. A type cinfusion vulnerability in JavaScript can be exploited to cause denial of service.

Oficiální doporučení

• MFSA2021-05

Vykořisťování

Public exploits exist for this vulnerability.

Související produkty

• Mozilla-Thunderbird

seznam CVE

• CVE-2020-26976
  high
• CVE-2021-23960
  critical
• CVE-2021-23964
  critical
• CVE-2021-23953
  warning
• CVE-2021-23954
  critical
• CVE-2020-15685
  critical

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