Buffer overflow in the CoVideoWindow.ocx ActiveX control 5.0.907.1 in Eyeball MessengerSDK, as used in products such as SiOL Komunikator 1.3, allows remote attackers to execute arbitrary code via a large argument supplied to the BGColor method. NOTE: this might only be a vulnerability in certain insecure configurations of Internet Explorer.

More... (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3430)