This security bulletin contains one high risk vulnerability. The vulnerability exists due to a boundary error when processing web content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system. A successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability can be exploited by a remote non-authenticated attacker via the Internet. We are not aware of known malware exploiting this vulnerability.”]