A "memory calculation error" in Microsoft Office PowerPoint 2000 SP3, 2002 SP3, 2003 SP2, and 2007 through SP1; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 through SP1; and Office 2004 for Mac allows remote attackers to execute arbitrary code via a PowerPoint file with crafted list values that trigger memory corruption, aka "Parsing Overflow Vulnerability."