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engine.io@4.1.0 vulnerabilities

The realtime engine behind Socket.IO. Provides the foundation of a bidirectional connection between client and server

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Direct Vulnerabilities

Known vulnerabilities in the engine.io package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Denial of Service (DoS)

engine.io is a realtime engine behind Socket.IO. It provides the foundation of a bidirectional connection between client and server

Affected versions of this package are vulnerable to Denial of Service (DoS). A malicious client could send a specially crafted HTTP request, triggering an uncaught exception and killing the Node.js process.

How to fix Denial of Service (DoS)?

Upgrade engine.io to version 3.6.1, 6.2.1 or higher.

<3.6.1 >=4.0.0 <6.2.1
  • H
Uncaught Exception

engine.io is a realtime engine behind Socket.IO. It provides the foundation of a bidirectional connection between client and server

Affected versions of this package are vulnerable to Uncaught Exception by sending a specially crafted HTTP request, that triggers an uncaught exception and kills the Node.js process that runs an Engine.IO or a Socket.IO server.

How to fix Uncaught Exception?

Upgrade engine.io to version 4.1.2, 5.2.1, 6.1.1 or higher.

>=4.0.0 <4.1.2 >=5.0.0 <5.2.1 >=6.0.0 <6.1.1
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