KLA11795
Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. Use after free vulnerability in SharedWorkerService can be exploited to potentially cause denial of service.
2. Timing attack vulnerability in NSS library can be exploited to obtain sensitive information.
3. Security vulnerability can be exploited to bypass security restrictions and obtain sensitive information.
4. Memory corruption vulnerability can be exploited to execute arbitrary code.
5. Type confusion vulnerability in JS can be exploited to cause denial of service.

Mozilla Thunderbird earlier than 68.9.0

Update to the lastest version
Download Thunderbird

MFSA2020-22