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Improper Input Validation in org.webjars.npm:socket.io-parser

CVE-2026-33151

  • org.webjars.npm:socket.io-parser
  • socket.io-parser
High
8.7/10

Summary

A specially crafted Socket.IO packet can make the server wait for a large number of binary attachments and buffer them, which can be exploited to make the server run out of memory. The affected versions are prior to 3.3.5, 3.4.x prior to 3.4.4, and 4.x prior to 4.2.6.

  • LOW
  • NETWORK
  • NONE
  • NONE

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published