Your bug report #28948: feh does encounter certificate errors with valid certificates which was filed against the guix package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 28948@debbugs.gnu.org. -- 28948: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=28948 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems