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://securesoftware.list.cr.yp.to/archive/0/46 http://www.vuxml.org/freebsd/58fc2752-5f74-11d9-a9e7-0001020eed82.html

The following package is affected: pcal CVE-2004-1289 Multiple buffer overflows in (1) the getline function in pcalutil.c and (2) the get_holiday function in readfile.c for pcal 4.7.1 allow remote attackers to execute arbitrary code via a crafted calendar file.