CVE-2026-45673 Netty: DNS Cache Poisoning due to Predictable PRNG and Default Static Source Port

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...

Important: Red Hat Security Advisory: Red Hat build of Quarkus 3.27.4 release and security update

An update is now available for Red Hat build of Quarkus. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability. For more informatio...

Netty has Insufficient Bailiwick Validation for NS Records

Summary Netty's DnsResolveContext insufficiently validates the bailiwick of NS records, enabling DNS Cache Poisoning. An attacker controlling an authoritative name server for a subdomain can poison the cache for parent domains like .co.uk. Details In...

Netty has a DNS Codec Input Validation Bypass (Encoder + Decoder)

Security Vulnerability Report: DNS Codec Input Validation Bypass in Netty Encoder + Decoder 1. Vulnerability Summary | Field | Value | |-------|-------| | Product | Netty | | Version | 4.2.12.Final and all prior versions with codec-dns | | Component | io.netty.handler.codec.dns.DnsCodecUtil | |...