Memory leak in smbd in Samba 3.6.x before 3.6.3 allows remote attackers to cause a denial of service (memory and CPU consumption) by making many connection requests.
http://www.samba.org/samba/security/CVE-2012-0817
http://www.samba.org/samba/history/samba-3.6.3.html
http://secunia.com/advisories/48879
http://secunia.com/advisories/47763
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00008.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-February/072930.html