Public bug reported: affects ubuntu/openssh
Hi, This bug is present in openssh in ubuntu trusty, I haven't tested other releases. When X11 forwarding is enabled (via ssh_config, or via -X), but no DISPLAY is available, ssh client produces this warning: DISPLAY "(null)" invalid; disabling X11 forwarding root@ubuntu-trusty:/# unset DISPLAY ; ssh -X ubuntu@localhost 'dpkg -l openssh-client | grep ii' ubuntu@localhost's password: DISPLAY "(null)" invalid; disabling X11 forwarding ii openssh-client 1:6.6p1-2ubuntu2.10 amd64 secure shell (SSH) client, for secure access to remote machines The bug was introduced by the changes to fix CVE-2016-1908. This upstream change fixes it: https://anongit.mindrot.org/openssh.git/commit/?id=5658ef2501e785fbbdf5de2dc33b1ff7a4dca73a See https://bugs.debian.org/908652 Cheers, -- S ** Affects: openssh (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792231 Title: openssh-client: 'DISPLAY "(null)" invalid; disabling X11 forwarding' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1792231/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
