Changelog for libpng12-devel-1.2.50-6.el7.x86_64.rpm :

* Wed Jan 29 2014 Petr Hracek - 1.2.50-6- Adding patch CVE-2013-6954- Resolves: #1056864
* Fri Jan 24 2014 Daniel Mach - 1.2.50-5- Mass rebuild 2014-01-24
* Fri Dec 27 2013 Daniel Mach - 1.2.50-4- Mass rebuild 2013-12-27
* Thu Feb 14 2013 Fedora Release Engineering - 1.2.50-3- Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
* Wed Aug 22 2012 Tom Lane 1.2.50-2- Remove unnecessary use of epochRelated: #850628
* Fri Aug 03 2012 Tom Lane 1.2.50-1- Update to 1.2.50 (just on general principles)- Add Obsoletes: libpng-compat
* Wed Aug 01 2012 Tom Lane 1.2.49-1- Created from libpng