1. Vulnerability Note VU#403568(Dec 2015) http://www.kb.cert.org/vuls/id/403568.
2. Vulnerability Note VU#391604(Nov 2015) http://www.kb.cert.org/vuls/id/391604.
3. Vulnerability Note VU#185100(Jan 2013) http://www.kb.cert.org/vuls/id/185100.
4. Vulnerability Note VU#893726(Apr 2014) http://www.kb.cert.org/vuls/id/893726.
5. Vulnerability Note VU#583638(Jan 2005) http://www.kb.cert.org/vuls/id/583638.