CVE-2026-45674

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.

CVSS v3 8.7 HIGH

8.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/netty/netty/releases/tag/netty-4.1.135.Final	Release Notes
https://github.com/netty/netty/releases/tag/netty-4.2.15.Final	Release Notes
https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:netty:netty::::::::
	cpe:2.3:a:netty:netty::::::::

History

15 Jun 2026, 02:13

Type	Values Removed	Values Added
First Time		Netty netty Netty
References	~~() https://github.com/netty/netty/releases/tag/netty-4.1.135.Final -~~	() https://github.com/netty/netty/releases/tag/netty-4.1.135.Final - Release Notes
References	~~() https://github.com/netty/netty/releases/tag/netty-4.2.15.Final -~~	() https://github.com/netty/netty/releases/tag/netty-4.2.15.Final - Release Notes
References	~~() https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc -~~	() https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc - Vendor Advisory
CPE		cpe:2.3:a:netty:netty::::::::

12 Jun 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-12 15:16

Updated : 2026-06-15 02:13

NVD link : CVE-2026-45674

Mitre link : CVE-2026-45674

CVE.ORG link : CVE-2026-45674

JSON object : View

Products Affected

netty

netty

CWE

CWE-345

Insufficient Verification of Data Authenticity

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