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://secunia.com/advisories/29000 http://www.vuxml.org/freebsd/589d8053-0b03-11dd-b4ef-00e07dc4ec84.html
The following packages are affected: clamav clamav-devel CVE-2008-1100 Buffer overflow in the cli_scanpe function in libclamav (libclamav/pe.c) for ClamAV 0.92 and 0.92.1 allows remote attackers to execute arbitrary code via a crafted Upack PE file. CVE-2008-1387 ClamAV before 0.93 allows remote attackers to cause a denial of service (CPU consumption) via a crafted ARJ archive, as demonstrated by the PROTOS GENOME test suite for Archive Formats.