PHP Other Vulnerability - CVE-2006-1017
The c-client library 2000 2001 or 2004 for PHP before 4.4.4 and 5.x before 5.1.5 do not check the (1) safe_mode or (2) open_basedir functions and when used in applications that accept user-controlled input for the mailbox argument to the imap_open function allow remote attackers to obtain access to an IMAP stream data structure and conduct unauthorized IMAP actions.