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. https://kb.isc.org/article/AA-00714 https://kb.isc.org/article/AA-00712 https://kb.isc.org/article/AA-00737 http://www.vuxml.org/freebsd/c7fa3618-d5ff-11e1-90a2-000c299b62e1.html

The following packages are affected: isc-dhcp41-server isc-dhcp42-server CVE-2012-3570 Buffer overflow in ISC DHCP 4.2.x before 4.2.4-P1, when DHCPv6 mode is enabled, allows remote attackers to cause a denial of service (segmentation fault and daemon exit) via a crafted client identifier parameter. CVE-2012-3571 ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier. CVE-2012-3954 Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.