Multiple vulnerabilities in Mozilla Thunderbird

Description

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to cause denial of service, spoof user interface.

Below is a complete list of vulnerabilities:

1. Buffer overflow vulnerability in libolm can be exploited remotely via special crafted message to cause denial of service.
2. Security UI vulnerability can be exploited via special crafted message to spoof user interface.

Original advisories

• MFSA2021-55

Related products

• Mozilla-Thunderbird

CVE list

• CVE-2021-44538
  critical
• CVE-2021-4126
  high

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