A new security vulnerability in Safari has been identified by security experts at Secunia. The company - which rates the flaw as “extremely critical” - says that the vulnerability was discovered by a source outside the company, Michael Lehn. It can be exploited by malicious people to compromise a user's system, it warns. The vulnerability is caused due by an error in the processing of file association meta data (stored in the "__MACOSX" folder) in ZIP archives. “This can be exploited to trick users into executing a malicious shell script renamed to a safe file extension stored in a ZIP...