CVE-2026-45673: Use of Insufficiently Random Values

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty's DNS resolver uses a predictable PRNG for generating DNS transaction IDs and defaults to a static UDP source port. This combination reduces the entrop...

Design/Logic Flaw

dproxy-nexgen aka dproxy nexgen uses a static UDP source port selected randomly only at boot time in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks...