The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: squid
CVE-2004-0541 Buffer overflow in the ntlm_check_auth (NTLM authentication) function for Squid Web Proxy Cache 2.5.x and 3.x, when compiled with NTLM handlers enabled, allows remote attackers to execute arbitrary code via a long password ('pass' variable).
Solution: Update your system with the appropriate patches or software upgrades.