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netty: Netty: High integrity impact due to improper DNS domain name constraint enforcement

🗓️ 11 Aug 2026 16:39:22Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Netty DNS codec fails RFC 1035 domain name constraint enforcement, allowing remote integrity impact via encoder and decoder.

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bdu_fstec
BDU FSTEC		The vulnerability in the `io.netty.handler.codec.dns.DnsCodecUtil` component of the Netty framework, which is used for developing network applications, servers, and clients, allows a attacker to cause a service failure.
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7noarcheap7-activemq-artemis2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-cli2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-cli-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-commons2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-commons-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-core-client2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-core-client-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-dto2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-dto-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-hornetq-protocol2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-hornetq-protocol-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-hqclient-protocol2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-hqclient-protocol-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-jdbc-store2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-jdbc-store-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-jms-client2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-jms-client-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
Red Hat Enterprise Linux7noarcheap7-activemq-artemis-jms-server2.16.0-22.redhat_00057.1.el7eapeap7-activemq-artemis-jms-server-2.16.0-22.redhat_00057.1.el7eap.noarch.rpm
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13 Aug 2026 17:53Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.5 - 9.1
EPSS0.01006
SSVC
CWE-1286
nettydns codecrfc 1035constraint enforcementintegrity impactremote attackencoder decoder
6