CVE-2026-33599

CVE-2026-33599 describes a vulnerability in PowerDNS DNSdist where a rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request when triggered via the autoUpgrade (Lua) option to newServer or the auto_upgrade (YAML) setting. DDR upgrade is not enabled by default...

PowerDNS DNSdist 缓冲区错误漏洞

PowerDNS DNSdist is a proxy software provided by PowerDNS that offers capabilities for DNS traffic load balancing and security protection. PowerDNS DNSdist has a buffer error vulnerability, which stems from malicious backends that can send specially crafted SVCB responses to resolver discovery...