Provide references for CVE-2016-3977.
Where can I find more information about CVE-2016-3977?
References are available at: http://www.securityfocus.com/bid/88103, http://lists.opensuse.org/opensuse-updates/2016-04/msg00084.html, https://sourceforge.net/p/giflib/bugs/87/, https://sourceforge.net/p/giflib/code/ci/ea8dbc5786862a3e16a5acfa3d24e2c2f608cd88/, http://lists.opensuse.org/opensuse-updates/2016-04/msg00079.html, http://bugs.fi/fuzzing/index.html, http://lists.opensuse.org/opensuse-updates/2016-05/msg00019.html, https://bugzilla.redhat.com/show_bug.cgi?id=1325771, https://usn.ubuntu.com/4107-1/.