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.idefense.com/application/poi/display?id=152&type=vulnerabilities http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE6-SNMP_core_dump http://www.vuxml.org/freebsd/65e99f52-1c5f-11d9-bc4a-000c41e2cdad.html

The following package is affected: squid CVE-2004-0918 The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that causes a memory allocation error.