Provide references for CVE-2019-19977.
Where can I find more information about CVE-2019-19977?
References are available at: https://github.com/Kirin-say/Vulnerabilities/blob/master/Stack_Overflow_in_libesmtp.md, https://github.com/jbouse-debian/libesmtp/blob/ca5bd0800ef1da234315da4c59716568eb5e6402/ntlm/ntlmstruct.c#L228-L242, https://web.archive.org/web/20190528215510/http://brianstafford.info/libesmtp/.