ELEMENTS.DLL in Microsoft Visio 2002 SP2, 2003 SP3, and 2007 SP2 does not properly parse structures during the opening of a Visio file, which allows remote attackers to execute arbitrary code via a file containing a malformed structure, aka "Visio Data Type Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12469
https://exchange.xforce.ibmcloud.com/vulnerabilities/64924
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-008
http://www.vupen.com/english/advisories/2011/0321
http://www.securitytracker.com/id?1025043
http://www.securityfocus.com/bid/46138