Stack-based buffer overflow in Microsoft Office PowerPoint 2003 SP3 allows remote attackers to execute arbitrary code via a crafted PowerPoint document, aka "Office PowerPoint Viewer TextCharsAtom Record Stack Overflow Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8268
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-004