Microsoft Internet Explorer 6 through 9 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16966
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-055