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

Below is a complete list of vulnerabilities:

1. Incorrect temporary files access configuration of Mozilla updater service can be exploited locally to bypass security restrictions;
2. Use-after-free vulnerability in DocShell can be exploited remotely via specially designed website to cause denial of service;
3. Use-after-free vulnerability in worker destruction can be exploited remotely via specially designed website to cause denial of service;
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5. Stack corruption due to incorrect number of arguments in WebRTC code can be exploited remotely via specially designed website to cause denial of service;
6. Race condition vulnerability in Resist Fingerprinting can be exploited remotely via specially designed website to cause denial of service;
7. Out of bounds write vulnerability in NSS can be exploited remotely via specially designed website to cause denial of service;
8. Buffer overflow vulnerability in plain Firefox text serializer can be exploited remotely via specially designed website to cause denial of service;

Mozilla Thunderbird earlier than 68.3

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