Red Hat Security Advisory: zsh security and bug fix update

CVE-2014-10071 — zsh: buffer overflow for very long fds in >& fd syntax CVE-2014-10072 — zsh: buffer overflow when scanning very long directory paths for symbolic links CVE-2017-18205 — zsh: NULL dereference in cd in sh compatibility mode under given circumstances CVE-2017-18206 — zsh: buffer overrun in symlinks CVE-2018-1071 — zsh: Stack-based buffer overflow in exec.c:hashcmd() CVE-2018-1083 — zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c CVE-2018-1100 — zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution CVE-2018-7549 — zsh: crash on copying empty hash table