1. Carnegie Mellon University’s Computer Emergency Response Team,
http://www.cert.org/advisories/
2. Common vulnerabilities and exposures,
http://cve.mitre.org
3. Cssbench: a css benchmark devised by nontroppo,
http://www.howtocreate.co.uk/csstest.html
4. CUPS: a standards-based, open source printing system developed by Apple Inc.,
http://www.cups.org/
5. Cups’ erroneous patch,
http://www.cups.org/str.php?L2974