In December, yet another zero-day vulnerability surfaced in Adobe Reader and Acrobat and was the fourth zero-day in 2009 to affect these products.
How does it work?
Should I be worried?
Yes. This allows an attacker to take control of the user's system and run malicious programs and malware when the user opens a malicious PDF document.
How can I prevent it?
– Carsten Eiram, chief security specialist, Secunia