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CVE details

CVE-2026-45674

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.

Score
8.7 high
Published
2026-06-12
Links
NVD · cve.org

Affected ports (1)

PortPackageVersionStatusMaintainer
java/nettynetty4.1.53_2unaddressedglewis@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>netty</name>
	<range><lt>4.1.135</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>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.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-45674</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-45674</url>
    </references>
    <dates>
      <discovery>2026-06-12</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>