openSUSE Leap 15.0: 2018:1893-1 Moderate: zsh Buffer Overflow Fixes

This update for zsh to version 5.5 fixes the following issues:

Security issues fixed:

- CVE-2018-1100: Fixes a buffer overflow in utils.c:checkmailpath() that

can lead to local arbitrary code execution (bsc#1089030)

- CVE-2018-1071: Fixed a stack-based buffer overflow in exec.c:hashcmd()

(bsc#1084656)

- CVE-2018-1083: Fixed a stack-based buffer overflow in

gen_matches_files() at compctl.c (bsc#1087026)

Non-security issues fixed:

- The effect of the NO_INTERACTIVE_COMMENTS option extends into $(...) and

`...` command substitutions when used on the command line.

- The 'exec' and 'command' precommand modifiers, and options to them, are

now parsed after parameter expansion.

- Functions executed by ZLE widgets no longer have their standard input

closed, but redirected from /dev/null instead.

- There is an option WARN_NESTED_VAR, a companion to the existing

WARN_CREATE_GLOBAL that causes a warning if a function updates a

...