On 01/12/17 15:22, Jonathan Dowland wrote:
AppArmor is not enabled in current stable, so you should only hit this bug if you are using stable's thunderbird on a testing/sid system, or manually enabling AppArmor yourself on stable.
I have stretch, and didn't requested it manually, but was installed with the latest kernel update from stretch backports. I think it was installed because of that backported kernel version:
Start-Date: 2017-11-26 06:57:11 Commandline: apt upgrade Requested-By: solitone (1000) Install: libapparmor-perl:amd64 (2.11.0-3, automatic), apparmor:amd64 (2 .11.0-3, automatic) Upgrade: linux-image-4.13.0-0.bpo.1-amd64:amd64 (4.13.4-2~bpo9+1, 4.13.1 3-1~bpo9+1) End-Date: 2017-11-26 06:57:30 Cheers!