Provide references for CVE-2018-15858.
Where can I find more information about CVE-2018-15858?
References are available at: https://github.com/xkbcommon/libxkbcommon/commit/badb428e63387140720f22486b3acbd3d738859f, https://security.gentoo.org/glsa/201810-05, https://usn.ubuntu.com/3786-1/, https://usn.ubuntu.com/3786-2/, https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html.