Microsoft Office PowerPoint 2000 SP3, 2002 SP3, and 2003 SP3 allows remote attackers to execute arbitrary code via crafted formatting data for paragraphs in a file that uses a PowerPoint 4.0 native file format, leading to memory corruption, aka "Legacy File Format Vulnerability."

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-0220)