CVE-2011-2074
Unspecified vulnerability in the client in Skype 5.x before 5.1.0.922 on Mac OS X allows remote authenticated users to execute arbitrary code or cause a denial of service (application crash) via a crafted message.
Date published : 2011-05-10
http://www.securityfocus.com/bid/47747
http://blogs.skype.com/security/2011/05/security_vulnerability_in_mac.html