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://sylpheed.good-day.net/index.cgi.en#changes http://www.vuxml.org/freebsd/f8536143-9bc4-11d9-b8b3-000a95bc6fae.html

The following packages are affected: sylpheed sylpheed-claws sylpheed-gtk2 CVE-2005-0667 Buffer overflow in Sylpheed before 1.0.3 and other versions before 1.9.5 allows remote attackers to execute arbitrary code via an e-mail message with certain headers containing non-ASCII characters that are not properly handled when the user replies to the message.