CVE-2026-45674

high

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.

References

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

https://github.com/netty/netty/releases/tag/netty-4.2.15.Final

https://github.com/netty/netty/releases/tag/netty-4.1.135.Final

Details

Source: Mitre, NVD

Published: 2026-06-12

Updated: 2026-06-12

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.7

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

Severity: High

EPSS

EPSS: 0.00015