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undici: undici: Denial of Service via crafted WebSocket frame with large length

🗓️ 08 Apr 2026 13:58:58Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Undici DoS via WebSocket frame with large 64-bit length causing ByteParser overflow and TypeError.

Related
Packages
Refs
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ibm		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to node modules Hono and Undici
30 Mar 202612:20
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ibm		Security Bulletin: Multiple Vulnerabilities in IBM Bob
2 Jun 202614:29
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ibm		Security Bulletin: Multiple Vulnerabilities in IBM watsonx Code Assistant On Prem
23 Mar 202615:13
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ibm		Security Bulletin: Platform Navigator in IBM Cloud Pak for Integration is vulnerable to multiple vulnerabilities in undici
6 May 202611:30
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ibm		Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software
22 Jun 202614:26
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ibm		Security Bulletin: Vulnerability in Undici affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
22 Jun 202613:16
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ibm		Security Bulletin: Due to use of NodeJS, IBM Cloud Pak System is affected by multiple vulnerabilities
13 Jul 202621:32
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ibm		Security Bulletin: Multiple security vulnerabilities are addressed with IBM Cloud Pak for Business Automation iFixes for June 2026.
29 Jun 202610:17
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ibm		Security Bulletin: The Analyst Workflow App for IBM QRadar SIEM is vulnerable to using components with known vulnerabilities
22 May 202613:31
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attackerkb		CVE-2026-1528
12 Mar 202620:21
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.1aarch64nodejs1:22.22.2-1.el10_1nodejs-1:22.22.2-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lenodejs1:22.22.2-1.el10_1nodejs-1:22.22.2-1.el10_1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xnodejs1:22.22.2-1.el10_1nodejs-1:22.22.2-1.el10_1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64nodejs1:22.22.2-1.el10_1nodejs-1:22.22.2-1.el10_1.x86_64.rpm
Red Hat Enterprise Linux10.1aarch64nodejs-debuginfo1:22.22.2-1.el10_1nodejs-debuginfo-1:22.22.2-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lenodejs-debuginfo1:22.22.2-1.el10_1nodejs-debuginfo-1:22.22.2-1.el10_1.ppc64le.rpm
Red Hat Enterprise Linux10.1s390xnodejs-debuginfo1:22.22.2-1.el10_1nodejs-debuginfo-1:22.22.2-1.el10_1.s390x.rpm
Red Hat Enterprise Linux10.1x86_64nodejs-debuginfo1:22.22.2-1.el10_1nodejs-debuginfo-1:22.22.2-1.el10_1.x86_64.rpm
Red Hat Enterprise Linux10.1aarch64nodejs-devel1:22.22.2-1.el10_1nodejs-devel-1:22.22.2-1.el10_1.aarch64.rpm
Red Hat Enterprise Linux10.1ppc64lenodejs-devel1:22.22.2-1.el10_1nodejs-devel-1:22.22.2-1.el10_1.ppc64le.rpm
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16 Jul 2026 11:39Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00488
SSVC
CWE-248
undicidenial of servicewebsocket framelarge lengthbyte parsertype errorremote attacker
5