Changelog for optipng-0.7.7-39.1.x86_64.rpm :

* Fri Jan 12 2018 pgajdosAATTsuse.com- update to 0.7.7:
* Upgraded minitiff to version 0.2. !! Fixed a buffer overflow vulnerability in the GIF decoder. [Reported by Joonun Jang] !! Fixed an integer overflow vulnerability in the TIFF decoder. [Reported by Jaeseung Choi] ! Fixed the build on macOS High Sierra. [Reported by various users] [Fixed by Yuen Ho Wong and Friedrich Preuss] ! Fixed the build on DJGPP.
* Disallowed out-of-bounds values in rangeset options.- removed upstream patches: - optipng-CVE-2017-1000229.patch - optipng-CVE-2017-16938.patch
* Mon Nov 27 2017 pgajdosAATTsuse.com- security update:
* CVE-2017-16938 [bsc#1069774] + optipng-CVE-2017-16938.patch
* Mon Nov 20 2017 pgajdosAATTsuse.com- security update:
* CVE-2017-1000229 [bsc#1068720] + optipng-CVE-2017-1000229.patch