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undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames

🗓️ 06 Jul 2026 15:07:52Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

A flaw in undici causes unbounded memory growth from WebSocket frames, causing denial of service in the client.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64nodejs1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-1:22.23.1-1.module+el9.8.0+24457+996af7aa.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenodejs1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-1:22.23.1-1.module+el9.8.0+24457+996af7aa.ppc64le.rpm
Red Hat Enterprise Linux9s390xnodejs1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-1:22.23.1-1.module+el9.8.0+24457+996af7aa.s390x.rpm
Red Hat Enterprise Linux9x86_64nodejs1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-1:22.23.1-1.module+el9.8.0+24457+996af7aa.x86_64.rpm
Red Hat Enterprise Linux9aarch64nodejs-debuginfo1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debuginfo-1:22.23.1-1.module+el9.8.0+24457+996af7aa.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenodejs-debuginfo1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debuginfo-1:22.23.1-1.module+el9.8.0+24457+996af7aa.ppc64le.rpm
Red Hat Enterprise Linux9s390xnodejs-debuginfo1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debuginfo-1:22.23.1-1.module+el9.8.0+24457+996af7aa.s390x.rpm
Red Hat Enterprise Linux9x86_64nodejs-debuginfo1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debuginfo-1:22.23.1-1.module+el9.8.0+24457+996af7aa.x86_64.rpm
Red Hat Enterprise Linux9aarch64nodejs-debugsource1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debugsource-1:22.23.1-1.module+el9.8.0+24457+996af7aa.aarch64.rpm
Red Hat Enterprise Linux9ppc64lenodejs-debugsource1:22.23.1-1.module+el9.8.0+24457+996af7aanodejs-debugsource-1:22.23.1-1.module+el9.8.0+24457+996af7aa.ppc64le.rpm
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10 Jul 2026 17:31Current
7High risk
Vulners AI Score7
CVSS 3.17.5
EPSS0.00759
SSVC
5