Changelog for nss-pem-1.0.3-4.el7.x86_64.rpm :

* Wed Apr 26 2017 Kamil Dudka 1.0.3-4- fix missing prototypes detected by Covscan
* Tue Apr 25 2017 Kamil Dudka 1.0.3-3- remove implementation of the WaitForSlotEvent callback (#1445384)
* 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 (#1427917)
* Tue Feb 14 2017 Kamil Dudka 1.0.2-2- explicitly conflict with all nss builds with bundled nss-pem
* Tue Jan 24 2017 Kamil Dudka 1.0.2-1- imported into RHEL-7