CVE-2026-45674

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.7 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

June 08, 2026

Last Modified

June 17, 2026

CWE ID

CWE-345

Source

GitHub

Vendor

maven

Product

io.netty:netty-resolver-dns

External References

https://github.com/netty/netty/security/advisories/GHSA-676x-f7gg-47vc
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/advisories/GHSA-676x-f7gg-47vc

CVE-2026-45674

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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