Stack-based buffer overflow in the get_packet method in socket.c in dhcpcd 3.2.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long packet.
https://bugzilla.novell.com/show_bug.cgi?id=760334
http://www.securityfocus.com/bid/53354
http://www.openwall.com/lists/oss-security/2012/05/02/5