Apple Mac OS X 10.5.2 allows user-assisted attackers to cause a denial of service (crash) via a crafted Universal Disc Format (UDF) disk image, which triggers a NULL pointer dereference.
https://exchange.xforce.ibmcloud.com/vulnerabilities/41280
http://www.vupen.com/english/advisories/2008/0924/references
http://www.us-cert.gov/cas/techalerts/TA08-079A.html
http://www.securitytracker.com/id?1019669
http://www.securityfocus.com/bid/28389
http://www.securityfocus.com/bid/28304
http://secunia.com/advisories/29420
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html