Provide references for CVE-2015-8981.
Where can I find more information about CVE-2015-8981?
References are available at: https://sourceforge.net/p/podofo/mailman/message/34205419/, http://www.openwall.com/lists/oss-security/2017/02/01/20, http://www.openwall.com/lists/oss-security/2017/02/02/15, https://sourceforge.net/p/podofo/code/1672.