CRLF injection vulnerability in the Digest Authentication support for Microsoft Internet Explorer 7.0.5730.11 allows remote attackers to conduct HTTP response splitting attacks via a LF (%0a) in the username attribute.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33978
http://www.securitytracker.com/id?1017969
http://www.securityfocus.com/bid/23668
http://www.securityfocus.com/archive/1/466906/100/0/threaded