Apple macOS X < 10.10.2 - Remote Code Execution via XPC Type Confusion in libxpc
The xpc_data_get_bytes function in libxpc in Apple OS X before 10.10.2 does not verify that a dictionary's Attributes key has the xpc_data data type, which allows attackers to execute arbitrary code by providing a crafted dictionary to sysmond, related to an "XPC type confusion" issue.