The vulnerability of the qmail_put and substdio_put functions in the netqmail mail client allows a hacker to cause a service failure.

The vulnerability of the qmailput and substdioput functions in the netqmail mail client is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

CVE-2005-1515

Integer signedness error in the qmailput and substdioput functions 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 large number of SMTP RCPT TO commands...