Buffer overflow in the w_read function in sockets.c in Cami Sardinha and Nigel Kukard policyd before 1.81 for Postfix allows remote attackers to cause a denial of service and possibly execute arbitrary code via long SMTP commands. NOTE: some of these details are obtained from third party information.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35394
http://www.securityfocus.com/bid/24899
http://www.debian.org/security/2007/dsa-1361
http://svn.linuxrulz.org/WebSVN/diff.php?repname=Policyd&path=%2Ftrunk%2Fsockets.c&rev=4&sc=0
http://sourceforge.net/project/shownotes.php?release_id=522366
http://secunia.com/advisories/26649