Changelog for zlib-1.2.3-owl2.i686.rpm :

* Mon Jun 30 2014 (GalaxyMaster) 1.2.3-owl2- Removed the deprecated PreReq tag.
* Sun Oct 23 2005 Dmitry V. Levin 1.2.3-owl1- Updated to 1.2.3.- Imported a bunch of patches from ALT\'s zlib-1.2.3-alt2 package,including versioning for exported symbols added after zlib-1.1.4.- Reviewed Owl patches, removed obsolete ones.- Updated URL per Mark Adler suggestion.
* Thu May 15 2003 Solar Designer 1.1.4-owl3- Do safer memory (de)allocation in gzio and gzerror() in particular,patch from Dmitry V. Levin, originally for ALT Linux.
* Tue Feb 25 2003 Solar Designer - Patched gzprintf() to use vsnprintf() and handle possible truncation,thanks to Bugtraq postings by Crazy Einstein, Richard Kettlewell, andCarlo Marcelo Arenas Belon.
* Wed Mar 13 2002 Solar Designer - Updated to 1.1.4.- Build with -Wall.
* Mon Feb 11 2002 Solar Designer - Error handling fixes for inflate from Mark Adler.
* Sat Feb 02 2002 Solar Designer - Enforce our new spec file conventions.
* Sun Aug 06 2000 Alexandr D. Kanevskiy - import from RH