CVE-2026-45674 Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

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...

CVE-2026-45674

CVE-2026-45674 affects Netty DNS resolution: the DnsResolveContext fails to validate the origin (bailiwick) of CNAME records in DNS responses. Affected versions are 4.1.135.Final and 4.2.15.Final; the issue is patched in those same versions. Potential impact is DNS cache poisoning via missing bai...

CVE-2026-45674 Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

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...

GHSA-676X-F7GG-47VC Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Records

Summary Netty's DnsResolveContext fails to validate the origin bailiwick of CNAME records in DNS responses. Details In io.netty.resolver.dns.DnsResolveContextbuildAliasMap, the resolver processes the ANSWER section of a DNS response and blindly caches all CNAME records it finds. According to...