As of now it looks like only terminal emulators based on libvte are affected. Redirecting the terminal output of aptsh returns:
Generating and mapping caches... Reading commands history... ^A^[[1;33mapt^A^[[1;31msh^A^[[0m> -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-terminal in Ubuntu. https://bugs.launchpad.net/bugs/1237594 Title: The U+0001 control character is output in terminal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-terminal/+bug/1237594/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs