CVE-2026-33594

CVE-2026-33594 describes a memory exhaustion issue where a client floods a DoH backend with queries, causing excess memory allocation as queries accumulate in a buffer that is only released at the end of the connection. The connected sources confirm the root cause (buffer growth tied to overloade...

CVE-2026-33594

A client can trigger excessive memory allocation by generating a lot of queries that are routed to an overloaded DoH backend, causing queries to accumulate into a buffer that will not be released until the end of the connection...

PowerDNS DNSdist 安全漏洞

PowerDNS DNSdist is a proxy software provided by PowerDNS that offers capabilities for DNS traffic load balancing and security protection. PowerDNS DNSdist has a security vulnerability that stems from the ability of clients to trigger excessive memory allocation by generating a large number of...