Provide references for CVE-2013-4593.
Where can I find more information about CVE-2013-4593?
References are available at: https://security-tracker.debian.org/tracker/CVE-2013-4593, https://access.redhat.com/security/cve/cve-2013-4593, http://www.openwall.com/lists/oss-security/2013/11/18/6, https://exchange.xforce.ibmcloud.com/vulnerabilities/89040.