CVE-2008-4421 (Directory traversal vulnerability in MetaGauge 1.0.0.17, and probably other versions before 1.0.3.38, allows remote attackers to read arbitrary files via a "..\" (dot dot backslash) in the URL.)
CVE-2008-3906 (CRLF injection vulnerability in Sys.Web in Mono 2.0 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via CRLF sequences in the query string.)