Provide references for CVE-2011-4919.
Where can I find more information about CVE-2011-4919?
References are available at: https://security-tracker.debian.org/tracker/CVE-2011-4919, https://access.redhat.com/security/cve/cve-2011-4919, https://www.openwall.com/lists/oss-security/2011/12/31/1.