Provide references for CVE-2015-6673.
Where can I find more information about CVE-2015-6673?
References are available at: http://www.openwall.com/lists/oss-security/2015/08/25/9, https://bugzilla.redhat.com/show_bug.cgi?id=1251749, https://sourceforge.net/p/libpgf/code/147/, https://security-tracker.debian.org/tracker/CVE-2015-6673/, https://sourceforge.net/p/libpgf/code/148/, https://sourceforge.net/p/libpgf/code/HEAD/tree/trunk/libpgf/INSTALL, https://lists.debian.org/debian-lts-announce/2019/12/msg00017.html, https://usn.ubuntu.com/4554-1/.