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.
Exploitability
AV:NAC:LAu:NImpact
C:PI:PA:P7.5/AV:N/AC:L/Au:N/C:P/I:P/A:P