Spice could be made to crash or run programs if it received specially crafted network traffic.
Frediano Ziglio discovered that Spice incorrectly handled certain client messages. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code.
20 February 2017
A security issue affects these releases of Ubuntu and its derivatives:
Spice could be made to crash or run programs if it received specially crafted network traffic.
Frediano Ziglio discovered that Spice incorrectly handled certain client messages. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart qemu guests to make all the necessary changes.
Vulmon