CVE-2026-45674

CRITICAL EPSS 6.1%
Published Jun 12, 20262w ago · Modified Jun 17, 20261w ago
10.0 CVSS 3.1
Critical
Find Similar
Published Jun 12, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
10.0
Exploitability
3.9
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
6.1% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-345

Affected Products 2

VendorProductVersionRange
nettynetty* <4.1.135
nettynetty*≥4.2.0  –  <4.2.15

References 3

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.