Provide references for CVE-2019-16791.
Where can I find more information about CVE-2019-16791?
References are available at: https://github.com/Snawoot/postfix-mta-sts-resolver/security/advisories/GHSA-h92m-42h4-82f6, https://gist.github.com/Snawoot/b9da85d6b26dea5460673b29df1adc6b.