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VULNERABILITIES

CVE-2026-45674 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:10 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CNA: redhat-SADPCVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:26017 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:26018 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:26586 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:34608 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:37390 redhat-SADP

see all 22 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-345Insufficient Verification of Data Authenticity[email protected]
CWE-346Origin Validation Errorredhat-SADP

Affected Products

ProductVersions
netty netty
< 4.1.135
>= 4.2.0, < 4.2.15

CPE

  • cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

20 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-45674
NVD Published Date:
Jun 12, 2026
NVD Last Modified:
Sep 18, 2026
Source:
[email protected]
CVE-2026-45674 Details - Not Deferred