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://www.kb.cert.org/vuls/id/336053 http://www.debian.org/security/2009/dsa-1881 http://www.vuxml.org/freebsd/012b495c-9d51-11de-8d20-001bd3385381.html

The following package is affected: cyrus-imapd CVE-2009-2632 Buffer overflow in the SIEVE script component (sieve/script.c) in cyrus-imapd in Cyrus IMAP Server 2.2.13 and 2.3.14 allows local users to execute arbitrary code and read or modify arbitrary messages via a crafted SIEVE script, related to the incorrect use of the sizeof operator for determining buffer length, combined with an integer signedness error.