Spice could be made to crash if it received specially crafted network traffic.
It was discovered that Spice incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service.
22 August 2018
A security issue affects these releases of Ubuntu and its derivatives:
Spice could be made to crash if it received specially crafted network traffic.
It was discovered that Spice incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service.
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