I figured it out, it only happens when firefox is running on the local machine, I will post the requested information next.
** Changed in: openssh (Ubuntu) Status: Invalid => New -- [hardy] Cannot xforward firefox https://bugs.launchpad.net/bugs/214829 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs