engine.io@3.4.2 vulnerabilities

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

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
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) via a POST request to the long polling transport.

How to fix Denial of Service (DoS)?

Upgrade engine.io to version 4.0.0 or higher.

<4.0.0