Comment 12 for bug 1259760

We have updated to this version 0.1.7-2ubuntu1~cloud0 like so
  sudo add-apt-repository cloud-archive:queens-proposed
  # (press enter to accept the repository)
  sudo apt-get update
  sudo apt-get install spice-html5
  sudo systemctl restart nova-spiceproxy.service
  sudo rm /etc/apt/sources.list.d/cloudarchive-queens-proposed.list
  sudo apt-get update

$dpkg -l spice-html
  0.1.7-2ubuntu1~cloud0

this successfully address the issue