Provide references for CVE-2018-7548.
Where can I find more information about CVE-2018-7548?
References are available at: https://usn.ubuntu.com/3593-1/, https://security.gentoo.org/glsa/201805-10, https://sourceforge.net/p/zsh/code/ci/110b13e1090bc31ac1352b28adc2d02b6d25a102.