"From creating new solutions for print, photography, scientific visualization, and film post-production to enhancing your application's user interface with innovative and effortless visual effects, Apple's Core Image performs the heavy lifting that enables the next generation of imaging applications." It is possible to trigger an exploitable buffer overflow condition in Apple's Core Image by creating a specially crafted .funhouse file.

http://www.securiteam.com/securitynews/5YP0B0UOUO.html