A crafted response from an upstream server the recursor has been configured to forward-recurse to can cause a Denial of Service in the Recursor. The default configuration of the Recursor does not use recursive forwarding and is not affected.
{ "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "4.9.5-1", "binary_name": "pdns-recursor" }, { "binary_version": "4.9.5-1", "binary_name": "pdns-recursor-dbgsym" } ] }