The full technical details of the dns flaw are out now:
http://www.hescominsoon.com/archives/906
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Owner: Emmanuel Technology Consulting
Former Sophos SG(Astaro) advocate/researcher/Silver Partner
PfSense w/Suricata, ntopng,
Other addons to follow
As crashtestdummy stated, it is resolved in the current 7.300 beta (7.260).