This update for zsh fixes the following issues:
CVE-2014-10070: environment variable injection could lead to local privilege escalation (bnc#1082885)
CVE-2014-10071: buffer overflow in exec.c could lead to denial of service. (bnc#1082977)
CVE-2014-10072: buffer overflow In utils.c when scanning very long directory paths for symbolic links. (bnc#1082975)
CVE-2016-10714: In zsh before 5.3, an off-by-one error resulted in undersized buffers that were intended to support PATH_MAX characters. (bnc#1083250)
CVE-2017-18205: In builtin.c when sh compatibility mode is used, a NULL pointer dereference could lead to denial of service (bnc#1082998)
CVE-2018-1071: exec.c:hashcmd() function vulnerability could lead to denial of service. (bnc#1084656)
CVE-2018-1083: Autocomplete vulnerability could lead to privilege escalation. (bnc#1087026)
CVE-2018-7549: In params.c in zsh through 5.4.2, there is a crash during a copy of an empty hash table, as demonstrated by typeset -p. (bnc#1082991)
CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of service (bnc#1083002)
Autocomplete and REPORTTIME broken (bsc#896914)