CVE-2015-8461, a DHCP security vulnerability, was announced today.

[Michael McNally]

CVE-2015-8461, a new medium severity DHCP security vulnerability
was announced today.

If you want to be certain to receive future announcements, please
subscribe to dhcp-announce, a low-traffic list which carries only
release announcements and important security information.

  https://lists.isc.org/mailman/listinfo/dhcp-announce

Or you can visit the advisory for CVE-2015-8461 directly here:

  https://kb.isc.org/article/AA-01334

Software releases which correct the vulnerability are now available from:

  http://www.isc.org/downloads