Your coworker seems to have caught a crash in appstream, BTW, not in apt. Not sure why the files fail their hashes or have no sections in them, though.
** Changed in: apt (Ubuntu) Assignee: (unassigned) => Julian Andres Klode (juliank) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1642386 Title: At least one invalid signature was encountered. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1642386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs