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.
History

Fri, 12 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 12 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records
Weaknesses CWE-345
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-12T15:03:49.419Z

Reserved: 2026-05-12T21:59:25.666Z

Link: CVE-2026-45674

cve-icon Vulnrichment

Updated: 2026-06-12T15:03:42.247Z

cve-icon NVD

Status : Received

Published: 2026-06-12T15:16:27.550

Modified: 2026-06-12T15:16:27.550

Link: CVE-2026-45674

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-12T15:30:31Z