CVE-2026-45674

EUVD-2026-36450
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 DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.7 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 16.1%
Affected Products (NVD)
VendorProductVersion
nettynetty
𝑥
< 4.1.135
nettynetty
4.2.0 ≤
𝑥
< 4.2.15
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
Red HatCryostat 4 on RHEL 9
4.2.0-13 ≤
𝑥
< *
ADP
Red HatCryostat 4 on RHEL 9
4.2.0-13 ≤
𝑥
< *
ADP
Red HatCryostat 4 on RHEL 9
4.2.0-13 ≤
𝑥
< *
ADP
Red HatRed Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat build of Apache Camel 4.18.1.P1 for Spring Boot 3.5.16
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat build of Quarkus 3.27.4.SP1
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat build of Quarkus 3.33.2.SP1
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat Data Grid 8.6.2
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.16.0-22.redhat_00057.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.3.14-11.SP11_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:1.5.26-2.Final_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.18.8-1.redhat_00003.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:5.0.31-3.SP2_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:1.10.0-46.Final_redhat_00044.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:4.1.135-1.Final_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:4.1.135-1.Final_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.5.5-30.SP12_redhat_00020.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.5.5-24.SP12_redhat_00016.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:2.2.40-2.SP3_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
0:7.4.25-2.GA_redhat_00001.1.el7eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1.7.GA
4.1.132.Final-redhat-00001 ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
0:801.7.1-1.GA_redhat_00001.1.el10eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
0:4.1.135-1.Final_redhat_00001.1.el10eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
0:4.1.135-1.Final_redhat_00001.1.el10eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
0:8.1.7.1-1.GA_redhat_00004.1.el10eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:801.7.1-1.GA_redhat_00001.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:0.9.6-2.redhat_00002.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:4.1.135-1.Final_redhat_00001.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:4.1.135-1.Final_redhat_00001.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
0:8.1.7.1-1.GA_redhat_00004.1.el8eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:801.7.1-1.GA_redhat_00001.1.el9eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:0.9.6-2.redhat_00002.1.el9eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:4.1.135-1.Final_redhat_00001.1.el9eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:4.1.135-1.Final_redhat_00001.1.el9eap ≤
𝑥
< *
ADP
Red HatRed Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
0:8.1.7.1-1.GA_redhat_00004.1.el9eap ≤
𝑥
< *
ADP
Red HatStreams for Apache Kafka 2.9.4
resolver-dns ≤
𝑥
< *
ADP
Red HatStreams for Apache Kafka 3.2.1
resolver-dns ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift AI 2.25
1788198681 ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift Dev Spaces 3.30
1787759145 ≤
𝑥
< *
ADP
Red HatRed Hat OpenShift Dev Spaces 3.30
1787759723 ≤
𝑥
< *
ADP
Debian logo
Debian Releases
Debian Product
Codename
netty
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
netty
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
netty-tcnative
suse enterprise desktop 15 SP7
2.0.79-150200.3.45.1
fixed
suse enterprise sap 15 SP4
2.0.79-150200.3.45.1
fixed
suse enterprise sap 15 SP5
2.0.79-150200.3.45.1
fixed
suse enterprise sap 15 SP6
2.0.79-150200.3.45.1
fixed
suse enterprise sap 15 SP7
2.0.79-150200.3.45.1
fixed
suse enterprise server 15 SP4
2.0.79-150200.3.45.1
fixed
suse enterprise server 15 SP5
2.0.79-150200.3.45.1
fixed
suse enterprise server 15 SP6
2.0.79-150200.3.45.1
fixed
suse enterprise server 15 SP7
2.0.79-150200.3.45.1
fixed
Common Weakness Enumeration
References
https://github.com/netty/netty/releases/tag/netty-4.1.135.Final
https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc
https://access.redhat.com/errata/RHSA-2026:26017
https://access.redhat.com/errata/RHSA-2026:26018
https://access.redhat.com/errata/RHSA-2026:26586
https://access.redhat.com/errata/RHSA-2026:34608
https://access.redhat.com/errata/RHSA-2026:37390
https://access.redhat.com/errata/RHSA-2026:41951
https://access.redhat.com/errata/RHSA-2026:48151
https://access.redhat.com/errata/RHSA-2026:49700
https://access.redhat.com/errata/RHSA-2026:49701
https://access.redhat.com/errata/RHSA-2026:50085
https://access.redhat.com/errata/RHSA-2026:53644
https://access.redhat.com/errata/RHSA-2026:53806
https://access.redhat.com/errata/RHSA-2026:54435
https://access.redhat.com/errata/RHSA-2026:62260
https://access.redhat.com/errata/RHSA-2026:65126
https://access.redhat.com/security/cve/CVE-2026-45674
https://bugzilla.redhat.com/show_bug.cgi?id=2488400
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45674.json