CentOS Errata and Security Advisory CESA-2018:1932
The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.
zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083)
zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072)
zsh: buffer overrun in symlinks (CVE-2017-18206)
zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
The CVE-2018-1083 and CVE-2018-1100 issues were discovered by Richard Maciel Costa (Red Hat).
For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.10 Release Notes and Red Hat Enterprise Linux 6.10 Technical Notes linked from the References section.
Merged security bulletin from advisories: http://lists.centos.org/pipermail/centos-cr-announce/2018-June/005308.html
Affected packages: zsh zsh-html
Upstream details at: