Microsoft Office PowerPoint 2002 SP3 allows remote attackers to execute arbitrary code via crafted sound data in a file that uses a PowerPoint 95 native file format, leading to improper "array indexing" and memory corruption, aka "PP7 Memory Corruption Vulnerability."

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-0225)