The Hyperlink Object Library for Windows 98, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary code via a crafted link that triggers an "unchecked buffer" in the library, possibly due to a buffer overflow.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A713
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3203
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2570
https://exchange.xforce.ibmcloud.com/vulnerabilities/19110
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-015
http://www.us-cert.gov/cas/techalerts/TA05-039A.html
http://www.securityfocus.com/bid/12479
http://www.kb.cert.org/vuls/id/820427