Microsoft Publisher 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Publisher file that leverages incorrect handling of values in memory, aka "Publisher Invalid Pointer Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14346
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-091
http://www.us-cert.gov/cas/techalerts/TA11-347A.html