This update for zsh fixes the following issues: - CVE-2014-10070: environment variable injection could lead to local privilege escalation - CVE-2014-10071: buffer overflow in exec.c could lead to denial of service. - CVE-2014-10072: buffer overflow In utils.c when scanning very long directory paths for symbolic links. - 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. - CVE-2017-18205: In builtin.c when sh compatibility mode is used, a NULL pointer dereference could lead to denial of service - CVE-2018-1071: exec.c:hashcmd function vulnerability could lead to denial of service. - CVE-2018-1083: Autocomplete vulnerability could lead to privilege escalation. - 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. - CVE-2017-18206: buffer overrun in xsymlinks could lead to denial of service - Autocomplete and REPORTTIME broken