USN-3355-1: Spice vulnerability

19 July 2017

spice vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


Spice could be made to crash or run programs if it received specially crafted network traffic.

Software Description

  • spice - SPICE protocol client and server library


Frediano Ziglio discovered that Spice incorrectly handled certain invalid monitor configurations. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 17.04
libspice-server1 - 0.12.8-2ubuntu1.1
Ubuntu 16.04 LTS
libspice-server1 - 0.12.6-4ubuntu0.3
Ubuntu 14.04 LTS
libspice-server1 - 0.12.4-0nocelt2ubuntu1.5

To update your system, please follow these instructions:

After a standard system update you need to restart qemu guests to make all the necessary changes.