Provide references for CVE-2018-7549.
Where can I find more information about CVE-2018-7549?
References are available at: https://usn.ubuntu.com/3593-1/, https://security.gentoo.org/glsa/201805-10, https://sourceforge.net/p/zsh/code/ci/c2cc8b0fbefc9868fa83537f5b6d90fc1ec438dd, https://access.redhat.com/errata/RHSA-2018:3073.