FTR https://qa.debian.org/bls/packages/x/xmotd.html summarizes them nicely.
- Bug#889740: thunderbird: Faulty apparmor configuration Christoph Pleger
- Bug#889740: thunderbird: Faulty apparmor configurati... Marcin Owsiany
- Bug#889740: Info received (Bug#889740: thunderbird: ... Marcin Owsiany
- Bug#889740: xmotd: crashes when built with hardening Christoph Pleger
- Bug#889740: xmotd: crashes when built with hardening Hugo Lefeuvre
- Bug#889740: xmotd: crashes when built with hardening Hugo Lefeuvre