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Improper Input Validation


Severity High
Score 7.5/10


A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions before 3.5.1, 4.x before 4.1.3, 5.x before 5.6.1 and 6.x before 6.1.2 for decoding.

  • LOW
  • NONE
  • NONE
  • NONE
  • NONE
  • HIGH

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.

Advisory Timeline

  • Published