A "memory calculation error" in Microsoft PowerPoint Viewer 2003 allows remote attackers to execute arbitrary code via a PowerPoint file with an invalid picture index that triggers memory corruption, aka "Memory Calculation Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5724
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-051
http://www.vupen.com/english/advisories/2008/2355
http://www.us-cert.gov/cas/techalerts/TA08-225A.html
http://www.securitytracker.com/id?1020676
http://www.securityfocus.com/bid/30554
http://secunia.com/advisories/31453
http://marc.info/?l=bugtraq&m=121915960406986&w=2
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=738