An issue has been found in PowerDNS Recursor where Lua hooks are not properly applied to queries received over TCP in some specific combination of settings, possibly bypassing security policies enforced using Lua (CVE-2019-3806).
An issue has been found in PowerDNS Recursor where records in the answer section of responses received from authoritative servers with the AA flag not set were not properly validated, allowing an attacker to bypass DNSSEC validation (CVE-2019-3807).