Provide references for CVE-2017-18206.
Where can I find more information about CVE-2017-18206?
References are available at: https://usn.ubuntu.com/3593-1/, https://security.gentoo.org/glsa/201805-10, https://access.redhat.com/errata/RHSA-2018:1932, https://sourceforge.net/p/zsh/code/ci/c7a9cf465dd620ef48d586026944d9bd7a0d5d6d, https://access.redhat.com/errata/RHSA-2018:3073, https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html.