Array index error in Excel in Microsoft Office 2000 SP3 and Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac, allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Array Indexing Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11525
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
http://www.vupen.com/english/advisories/2009/1540
http://www.us-cert.gov/cas/techalerts/TA09-160A.html
http://www.securitytracker.com/id?1022351
http://www.securityfocus.com/bid/35242
http://www.securityfocus.com/archive/1/504188/100/0/threaded