Apple Java for Mac OS X 10.5 before Update 7 and Java for Mac OS X 10.6 before Update 2 do not properly handle mediaLibImage objects, which allows remote attackers to execute arbitrary code or cause a denial of service (out-of-bounds memory access and application crash) via a crafted applet, related to the com.sun.medialib.mlib package.
Stack-based buffer overflow in the Java Web Start command launcher in Java for Mac OS X 10.5 before Update 5 allows attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.