On Fri, 13 Jan 2017 15:18:43 -0800
Paolo Galtieri <pgaltieri(a)gmail.com> wrote:
Anyone have any idea what's going on and how I can fix the
problem?
I don't know, but it seems that libraries are out of sync with the
binaries. You could try a dnf reinstall of firefox to see if it will
pull in the necessary bits.
Patrick's suggestion of doing a distro-sync might help with this as
well.