Debian Linux Security Advisory 5823-1 - The following vulnerabilities have been discovered in the WebKitGTK web engine. Clement Lecigne and Benoit Sevens discovered that processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems. Clement Lecigne and Benoit Sevens discovered that processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.