This update for zsh fixes the following issues:
- CVE-2019-20044: Fixed an insecure dropping of privileges when unsetting
the PRIVILEGED option (bsc#1163882).
- CVE-2018-13259: Fixed an unexpected truncation of long shebang lines (bsc#1107294).
- CVE-2018-7549: Fixed a crash when an empty hash table (bsc#1082991).
- CVE-2018-1083: Fixed a stack-based buffer overflow when using tab completion
on directories with long names (bsc#1087026).
- CVE-2018-1071: Fixed a stack-based buffer overflow when executing certain
commands (bsc#1084656).
- CVE-2018-0502: Fixed a mishandling of shebang lines (bsc#1107296).
- CVE-2017-18206: Fixed a buffer overflow related to symlink processing (bsc#1083002).
- CVE-2017-18205: Fixed an application crash when using cd with no
arguments (bsc#1082998).
- CVE-2016-10714: Fixed a potential application crash when handling maximum
length paths (bsc#1083250).
- CVE-2014-10072: Fixed a buffer overflow when scanning very long directory
paths for symbolic links (bsc#1082975).
- CVE-2014-10071: Fixed a buffer overflow when redirecting output to a long
file descriptor (bsc#1082977).
- CVE-2014-10070: Fixed a privilege escalation vulnerability via environment
variables (bsc#1082885).