Provide references for CVE-2011-4019.
Where can I find more information about CVE-2011-4019?
References are available at: http://www.cisco.com/web/software/282074295/90289/cucm-readme-715bsu5.pdf, http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151TCAVS.html.