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High severity8.7NVD Advisory· Published Jun 12, 2026· Updated Jun 15, 2026

CVE-2026-45674

CVE-2026-45674

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
io.netty:netty-resolver-dnsMaven
>= 4.2.0.Final, < 4.2.15.Final4.2.15.Final
io.netty:netty-resolver-dnsMaven
< 4.1.135.Final4.1.135.Final

Affected products

158

Patches

Vulnerability mechanics

References

5

News mentions

1