A vulnerability allows attackers to execute arbitrary code on vulnerable installations of Apple QuickTime. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exist in the parsing of Poly type opcodes (opcodes 0x0070-74). Due to improper handling of a malformed element in the structure heap corruption occurs. If properly constructed this can lead to code execution. QuickTime version 7.2 is affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60700/ZDI-07-067.txt
Source: https://packetstormsecurity.com/files/60700/Zero-Day-Initiative-Advisory-07-067.html