Multiple integer overflows in the Hierarchical FlexGrid ActiveX control (mshflxgd.ocx) in Microsoft Visual Basic 6.0 and Visual FoxPro 8.0 SP1 and 9.0 SP1 and SP2 allow remote attackers to execute arbitrary code via crafted (1) Rows and (2) Cols properties to the (a) ExpandAll and (b) CollapseAll methods, related to access of incorrectly initialized objects and corruption of the "system state," aka "Hierarchical FlexGrid Control Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5805
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-070
http://www.vupen.com/english/advisories/2008/3382
http://www.us-cert.gov/cas/techalerts/TA08-344A.html
http://www.securitytracker.com/id?1021369
http://www.securityfocus.com/archive/1/499059/100/0/threaded
http://support.avaya.com/elmodocs2/security/ASA-2008-473.htm