Vulnerability library
Security checkJune 27, 2023

Uncaught Exception in engine.io - engine.io

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High severitynpmengine.io

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Description

A specially crafted HTTP request can trigger an uncaught exception on the Engine.IO server, thus killing the Node.js process.

RangeError: Invalid WebSocket frame: RSV2 and RSV3 must be clear at Receiver.getInfo (/…/node_modules/ws/lib/receiver.js:176:14) at Receiver.startLoop (/…/node_modules/ws/lib/receiver.

Recommendation

Update the engine.io package to the latest compatible version. Followings are version details:

  • Affected version(s): **>= 6.0.0, < 6.1.1 >= 5.0.0, < 5.2.1 >= 4.0.0, < 4.1.2**
  • Patched version(s): **6.1.1 5.2.1 4.1.2**

References

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See something that needs correcting? Let us knowUpdated June 27, 2023