Provide references for CVE-2019-19519.
Where can I find more information about CVE-2019-19519?
References are available at: https://www.openwall.com/lists/oss-security/2019/12/04/5, https://www.openbsd.org/errata66.html, https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211, http://www.openwall.com/lists/oss-security/2019/12/04/5, https://seclists.org/bugtraq/2019/Dec/8, http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html, http://seclists.org/fulldisclosure/2019/Dec/14.