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://security.openttd.org/en/CVE-2011-3343 http://www.vuxml.org/freebsd/9bad5ab1-f3f6-11e0-8b5c-b482fe3f522d.html

The following package is affected: openttd CVE-2011-3343 Multiple buffer overflows in OpenTTD before 1.1.3 allow local users to cause a denial of service (daemon crash) or possibly gain privileges via (1) a crafted BMP file with RLE compression or (2) crafted dimensions in a BMP file.