CVE-2020-12244
An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.
Date published : 2020-05-19
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html