Changelog for nss-pem-1.0.3-2.fc24.x86_64.rpm :

* Mon Mar 06 2017 Kamil Dudka 1.0.3-2- require at least the version of nss that nss-pem was built against (#1428965)
* Wed Mar 01 2017 Kamil Dudka 1.0.3-1- update to latest upstream bugfix release
* Wed Jun 22 2016 Kamil Dudka 1.0.2-2- explicitly conflict with all nss builds with bundled nss-pem (#1347336)
* Thu Jun 16 2016 Kamil Dudka 1.0.2-1- packaged for Fedora