Security Bulletin: There is a vulnerability in netty-resolver-dns-4.1.133.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-45673, CVE-2026-45674, CVE-2026-47691)

Summary There is a vulnerability in netty-resolver-dns-4.1.133.Final.jar used by IBM Maximo Manage application in IBM Maximo Application Suite. Vulnerability Details CVEID:CVE-2026-45673 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. Prior t...

netty-resolver-dns: Netty DNS resolver: DNS Cache Poisoning via predictable transaction IDs

A flaw was found in Netty's DNS resolver component. This vulnerability arises from the use of a predictable pseudo-random number generator PRNG for DNS transaction IDs and a static User Datagram Protocol UDP source port. This combination significantly reduces the randomness of DNS queries, making...

RHEL 10 / 8 / 9 : Red Hat JBoss Enterprise Application Platform 8.1.7 (RHSA-2026:49700)

The remote Redhat Enterprise Linux 10 / 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:49700 advisory. Red Hat JBoss Enterprise Application Platform 8 is a platform for Java applications based on the WildFly application runtime. This...

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 | |...