Provide references for CVE-2017-12177.
Where can I find more information about CVE-2017-12177?
References are available at: https://www.debian.org/security/2017/dsa-4000, https://bugzilla.redhat.com/show_bug.cgi?id=1509218, https://cgit.freedesktop.org/xorg/xserver/commit/?id=4ca68b878e851e2136c234f40a25008297d8d831, https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html, https://security.gentoo.org/glsa/201711-05.