KLA11425
Multiple vulnerabilities in Mozilla Thunderbird

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

Below is a complete list of vulnerabilities:

1. A use-after-free vulnerability related to Skia library can be exploited remotely to cause denial of service;
2. An integer overflow vulnerability related to Skia library can be exploited remotely to cause denial of service;
3. A buffer overflow vulnerability related to Skia library can be exploited remotely to cause denial of service;
4. A vulnerability related to verification of certain S/MIME signatures can be exploited remotely to bypass security restrictions.

Technical details

Vulnerability (3) affected only macOS platform.

Mozilla Thunderbird earlier than 60.5.1

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