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.Referenceshttps://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2024-02.htmlhttp://www.openwall.com/lists/oss-security/2024/04/24/1