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

Below is a complete list of vulnerabilities:

1. Buffer overflow and out-of-bounds read vulnerability related to ANGLE graphics library can be exploited to cause denial of service;
2. Use-after-free vulnerability related to Skia library can be exploited to cause denial of service;
3. Buffer overflow vulnerability related to Skia library can be exploited to cause denial of service;
4. Vulnerability related to same-origin policy can be exploited to bypass security restrictions and possibly to obtain sensitive information;
5. Out-of-bounds write vulnerability can be exploited to cause denial of service;
6. Memory corruption vulnerabilities can be exploited to execute arbitrary code.

Mozilla Thunderbird earlier than 60.4

Update to the latest version
Download Mozilla Thunderbird

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.