CVE-2005-1514
commands.c in qmail, when running on 64 bit platforms with a large amount of virtual memory, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long SMTP command without a space character, which causes an array to be referenced with a negative index.
Date published : 2005-05-11
https://www.debian.org/security/2020/dsa-4692
http://archives.neohapsis.com/archives/fulldisclosure/2005-05/0101.html