CVE-2026-45674

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CVSS 3.1

10.0 critical

EPSS

<1%p16

Published

Jun 12, 2026 (Jun 12, 2026)

Modified

Sep 9, 2026

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.

Vendors: netty
Products: netty
Ecosystems: maven
Weakness: CWE-345, CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
GHSA: GHSA-676x-f7gg-47vc (high)

NVD CVE.org GitHub PoCs EPSS (0.2%)

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