Ubuntu Security Notice 2556-1 – It was discovered that Chromium did not properly handle the interaction of IPC, the gamepad API and V8. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking the program. A buffer overflow was discovered in the GPU service. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash. Various other issues were also addressed.