Provide references for CVE-2013-7020.
Where can I find more information about CVE-2013-7020?
References are available at: http://www.debian.org/security/2014/dsa-3027, http://secunia.com/advisories/61389, http://www.mandriva.com/security/advisories?name=MDVSA-2014:227, https://github.com/FFmpeg/FFmpeg/commit/b05cd1ea7e45a836f7f6071a716c38bb30326e0f, https://security.gentoo.org/glsa/201603-06, http://ffmpeg.org/security.html, http://openwall.com/lists/oss-security/2013/12/08/3, http://openwall.com/lists/oss-security/2013/11/26/7.