The vulnerability exists due to a use afterfree error when processing HTML content in WebKit. A remote attacker could persuade an unsuspected victim to visit a specially crafted web page, triggering a use afterfree error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: These vulnerabilities are currently being exploited in the wild, users are advised to apply patches urgently.
The information provided herein is on "as is" basis, without warranty of any kind.