File Descriptor Exhaustion Vulnerability in PowerDNS Secondary Server by PowerDNS

CVE-2026-33610

What is CVE-2026-33610?

A vulnerability exists within PowerDNS where a secondary server may experience file descriptor exhaustion when forwarding DNS update requests from a rogue primary server. This can lead to a denial of service, significantly impacting the server's availability and performance. Administrators should monitor their DNS configurations and consider applying mitigation strategies as recommended by PowerDNS to safeguard against potential disruptions.

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