Word in Microsoft Office 2000 SP3, XP SP3, Office 2003 SP2, and Office Word Viewer 2003 allows remote attackers to execute arbitrary code via crafted fields within the File Information Block (FIB) of a Word file, which triggers length calculation errors and memory corruption.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5073
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-009
http://www.vupen.com/english/advisories/2008/0511/references
http://www.us-cert.gov/cas/techalerts/TA08-043C.html
http://www.securitytracker.com/id?1019374
http://www.securityfocus.com/bid/27656
http://www.securityfocus.com/archive/1/488071/100/0/threaded
http://www.kb.cert.org/vuls/id/692417