KLA12227
Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. A memory safety vulnerability can be exploited to execute arbitrary code.
2. A security UI vulnerability can be exploited to spoof user interface.
3. An out of bounds write vulnerability in ANGLE can be exploited to cause denial of service or execute arbitrary code.
4. A use after free vulnerability can be exploited via special crafted webpage to cause denial of service or execute arbitrary code.

Mozilla Thunderbird earlier than 78.12

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MFSA2021-30