The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. http://cvs.sourceforge.net/viewcvs.py/courier/libs/unicode/iso2022jp.c?rev=1.10&view=markup http://cvs.sourceforge.net/viewcvs.py/courier/libs/unicode/shiftjis.c?rev=1.6&view=markup http://secunia.com/advisories/11087 http://www.osvdb.org/4194 http://www.osvdb.org/6927 http://www.vuxml.org/freebsd/98bd69c3-834b-11d8-a41f-0020ed76ef5a.html

The following packages are affected: courier courier-imap sqwebmail CVE-2004-0224 Multiple buffer overflows in (1) iso2022jp.c or (2) shiftjis.c for Courier-IMAP before 3.0.0, Courier before 0.45, and SqWebMail before 4.0.0 may allow remote attackers to execute arbitrary code 'when Unicode character is out of BMP range.'