Buffer overflow in the Xsan Filesystem driver on Mac OS X 10.4.7 and OS X Server 10.4.7 allows local users with Xsan write access, to execute arbitrary code via unspecified vectors related to "processing a path name."
http://www.vupen.com/english/advisories/2006/3315
http://www.securityfocus.com/bid/19579
http://www.kb.cert.org/vuls/id/737204
http://securitytracker.com/id?1016711