Buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP2; Microsoft Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Word Viewer; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via unspecified properties in the data in a crafted RTF document, aka "Word RTF Parsing Buffer Overflow Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11472
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-056