Provide references for CVE-2015-8557.
Where can I find more information about CVE-2015-8557?
References are available at: http://www.ubuntu.com/usn/USN-2862-1, http://packetstormsecurity.com/files/133823/Pygments-FontManager._get_nix_font_path-Shell-Injection.html, http://www.openwall.com/lists/oss-security/2015/12/14/6, http://www.openwall.com/lists/oss-security/2015/12/14/17, http://seclists.org/fulldisclosure/2015/Oct/4, http://www.debian.org/security/2016/dsa-3445, http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html, https://security.gentoo.org/glsa/201612-05, https://bitbucket.org/birkenfeld/pygments-main/pull-requests/501/fix-shell-injection-in/diff.