The US-CERT reported waring about possible RealPlayer vulnerability after a Russian security company Gleg claimed to have found a way to exploit a critical flaw in the multimedia software. The flaw affects the latest version 11 of RealPlayer running on Windows XP, service pack 2, according to Gleg. A Flash demonstration of the vulnerability has been posted to the Gleg website, but the company has not released its attack code or any technical details of the flaw. Real spokesman said that company is working to confirm whether the exploit code actually works.