socket.io@2.4.1 vulnerabilities

node.js realtime framework server

Direct Vulnerabilities

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

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Vulnerability Vulnerable Version
  • H
Uncaught Exception

socket.io is a node.js realtime framework server.

Affected versions of this package are vulnerable to Uncaught Exception in handling error events. If there is no listener set up for such events, an attacker can send packets containing them to crash the Node process.

How to fix Uncaught Exception?

Upgrade socket.io to version 2.5.1, 4.6.2 or higher.

>=2.3.0 <2.5.1 >=3.0.0 <4.6.2