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/32651 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=505399 http://optipng.sourceforge.net/ http://www.vuxml.org/freebsd/2bc960c4-e665-11dd-afcd-00e0815b8da8.html

The following package is affected: optipng CVE-2008-5101 Buffer overflow in the BMP reader in OptiPNG 0.6 and 0.6.1 allows user-assisted attackers to execute arbitrary code via a crafted BMP image, related to an 'array overflow.'