Provide references for CVE-2016-6911.
Where can I find more information about CVE-2016-6911?
References are available at: http://www.securityfocus.com/bid/95840, https://github.com/libgd/libgd/blob/gd-2.2.4/CHANGELOG.md, http://www.debian.org/security/2016/dsa-3693, https://github.com/libgd/libgd/pull/353, https://github.com/libgd/libgd/commit/4859d69e07504d4b0a4bdf9bcb4d9e3769ca35ae.