Argument injection vulnerability in the URI handler in Skype 2.0.*.104 and 2.5.*.0 through 2.5.*.78 for Windows allows remote authorized attackers to download arbitrary files via a URL that contains certain command-line switches.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-2313
http://www.vupen.com/english/advisories/2006/1871
http://www.skype.com/security/skype-sb-2006-001.html
http://www.securityfocus.com/bid/18038
http://www.securityfocus.com/archive/1/434707/30/4860/threaded
http://secunia.com/advisories/20154
http://archives.neohapsis.com/archives/fulldisclosure/2006-05/0549.html