Skype Issues Security Update for IM Bug
In recent days, a bug was found in Skype where instant messages (IMs) were sent to unintended recipients. Skype acknowledged this issue, saying: This issue occurs only when a user’s Skype client crashes during a Skype IM session, which may in some cases result in the last IM entered or sent prior to the crash [...]
http://www.intego.com/mac-security-blog/skype-issues-security-update-for-im-bug/