Provide references for CVE-2011-2177.
Where can I find more information about CVE-2011-2177?
References are available at: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2177, https://access.redhat.com/security/cve/cve-2011-2177, https://twitter.com/instasegv/status/75482755194032128, https://www.openwall.com/lists/oss-security/2011/06/02/4.