Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code.

Below is a complete list of vulnerabilities:

1. An use after free vulnerability in MessageTask can be exploited to cause denial of service.
2. A memory safety vulnerability can be exploited to execute arbitrary code.

Original advisories

• MFSA2021-46

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2021-38496
  unknown
• CVE-2021-38500
  unknown

Read more

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