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netty: Netty: High integrity impact due to improper DNS domain name constraint enforcement

🗓️ 09 Jul 2026 15:29:15Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Netty domain name constraint enforcement failure per RFC 1035 enables remote exploits in encoding and decoding.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Security Vulnerabilities affect IBM Voice Gateway
16 Jun 202616:25
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition
26 Jun 202606:15
–ibm
IBM Security Bulletins		Security Bulletin: Due to the use of Netty, IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
11 Jun 202607:12
–ibm
BDU FSTEC		The vulnerability in the `io.netty.handler.codec.dns.DnsCodecUtil` component of the Netty framework, which is used for developing network applications, servers, and clients, allows a attacker to cause a service failure.
30 Jun 202600:00
–bdu_fstec
Chainguard		CVE-2026-42579 vulnerabilities
7 May 202619:17
–cgr
Circl		CVE-2026-42579
5 May 202618:10
–circl
CNNVD		Netty 输入验证错误漏洞
13 May 202600:00
–cnnvd
Atlassian		Injection io.netty:netty-codec-dns Dependency in Confluence Data Center
2 Jun 202616:30
–atlassian
CVE		CVE-2026-42579
13 May 202618:01
–cve
Cvelist		CVE-2026-42579 Netty: DNS Codec Input Validation Bypass in Netty (Encoder + Decoder)
13 May 202618:01
–cvelist
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10 Jul 2026 18:49Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.5 - 9.1
EPSS0.00969
SSVC
CWE-1286
NettyDomain name constraintsEncoding vulnerabilityDecoding vulnerabilityRemote attackerHigh integrityUnix
5