CVE-2026-45674

HIGH8.7

Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

Published Jun 12, 2026

Modified 1 weeks ago

Details

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

WEB

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

WEB

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

WEB

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-45674

CVSS Analysis

CVSS v3.1

8.7