This update for ncurses fixes the following issues:
Security issues fixed: - CVE-2017-10684: Possible RCE via stack-based buffer overflow in the fmt_entry function. (bsc#1046858) - CVE-2017-10685: Possible RCE with format string vulnerability in the fmt_entry function. (bsc#1046853)
Bugfixes: - Drop patch ncurses-5.9-environment.dif as YaST2 ncurses GUI does not need it anymore and as well as it causes bug bsc#1000662