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undici: undici: Denial of Service via WebSocketStream unclean close

🗓️ 12 Aug 2026 21:03:47Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 12 Views

unhandled DoS in undici WebSocketStream when server closes TCP without WebSocket handshake.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64nodejs2424.18.1-0.2.2.hum1nodejs24-24.18.1-0.2.2.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs2424.18.1-0.2.2.hum1nodejs24-24.18.1-0.2.2.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchnodejs24-bin24.18.1-0.2.2.hum1nodejs24-bin-24.18.1-0.2.2.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64nodejs24-devel24.18.1-0.2.2.hum1nodejs24-devel-24.18.1-0.2.2.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs24-devel24.18.1-0.2.2.hum1nodejs24-devel-24.18.1-0.2.2.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchnodejs24-docs24.18.1-0.2.2.hum1nodejs24-docs-24.18.1-0.2.2.hum1.noarch.rpm
Red Hat Hardened Imagesanyaarch64nodejs24-full-i18n24.18.1-0.2.2.hum1nodejs24-full-i18n-24.18.1-0.2.2.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs24-full-i18n24.18.1-0.2.2.hum1nodejs24-full-i18n-24.18.1-0.2.2.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64nodejs24-libs24.18.1-0.2.2.hum1nodejs24-libs-24.18.1-0.2.2.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs24-libs24.18.1-0.2.2.hum1nodejs24-libs-24.18.1-0.2.2.hum1.x86_64.rpm
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02 Oct 2026 02:15Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.15.9 - 7.5
EPSS0.00368
SSVC
12