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://distcc.samba.org/ftp/distcc/distcc-2.16.NEWS http://www.vuxml.org/freebsd/e8d4800f-1547-11d9-90a3-00010327614a.html

The following package is affected: distcc CVE-2004-0601 distcc before 2.16, when running on 64-bit platforms, does not interpret IP-based access control rules correctly, which could allow remote attackers to bypass intended restrictions.