The Aqua Look and Feel for Java implementation in Java 1.5 on Mac OS X 10.5 allows remote attackers to execute arbitrary code via a call to the undocumented apple.laf.CColourUIResource constructor with a crafted value in the first argument, which is dereferenced as a pointer.
https://exchange.xforce.ibmcloud.com/vulnerabilities/51185
http://www.zerodayinitiative.com/advisories/ZDI-09-043
http://www.securityfocus.com/bid/35401
http://www.securityfocus.com/bid/35381
http://www.securityfocus.com/archive/1/504364/100/0/threaded
http://support.apple.com/kb/HT3632
http://lists.apple.com/archives/security-announce/2009/Jun/msg00003.html