CDN Tsunami: Exploiting HTTP/3-HTTP/1.1 Conversion for DoS Attacks

Content Delivery Networks CDNs provide high availability, accelerate content delivery for their host websites, but are also vulnerable to different types of Denial-of-Service DoS attacks. Prior works have studied a variety of DoS attacks with HTTP/1.1 or HTTP/2 connections, but most of them are...

CVE-2026-44892

Netty is a network application framework for development of protocol servers and clients. Prior to version 4.2.15.Final, the default configuration of the Http3ConnectionHandler in the Netty HTTP/3 codec lacks an enforced maximum header size limit. When a peer does not explicitly specify...