A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.4%