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netty: io.netty/netty-codec-http: Netty: Incorrect HTTP response parsing leads to data confusion

🗓️ 09 Jul 2026 15:29:15Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Netty flaw lets remote attacker misparse Hypertext Transfer Protocol responses, causing data disclosure.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: DevOps Test Performance contains vulnerabilities related to use of netty-codec-http
19 May 202619:19
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is is susceptible to multiple Netty vulnerabilities CVE-2026-42580, CVE-2026-42581, CVE-2026-42584, CVE-2026-42585
21 Jul 202621:33
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Netty
21 May 202616:11
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate Developer Edition
26 Jun 202606:15
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM® Db2® federated server is affected by multiple vulnerabilities in Netty open source libraries.
23 Jun 202619:50
–ibm
ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Monitor Component uses multiple dependencies which are vulnerable to multiple CVEs.
30 Jul 202615:27
–ibm
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
BDU FSTEC		The vulnerability of the HttpClientCodec component in the networking application development framework allows attackers to compromise the integrity and accessibility of protected information, using Netty protocols.
15 Jul 202600:00
–bdu_fstec
cgr
Chainguard		CVE-2026-42584 vulnerabilities
8 May 202601:17
–cgr
circl
Circl		CVE-2026-42584
5 May 202618:11
–circl
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30 Jul 2026 08:22Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.17.3 - 9.1
EPSS0.0075
SSVC
CWE-444
nettyhypertext transfer protocolresponse parsingdata disclosuredata integrity
6