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socket.io: engine.io: Socket.IO: Denial of Service via invalid binary POST requests

🗓️ 10 Jul 2026 05:14:22Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 25 Views

Socket.IO DoS via Engine.IO v4 polling: unauthenticated invalid binary POSTs exhaust server resources.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64aspnetcore-runtime-8.08.0.28-1.1.hum1aspnetcore-runtime-8.0-8.0.28-1.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64aspnetcore-runtime-8.08.0.28-1.1.hum1aspnetcore-runtime-8.0-8.0.28-1.1.hum1.x86_64.rpm

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20 Aug 2026 20:51Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.00354
SSVC
25