VULNERABILITY INTELLIGENCE

CVE-2019-5432

CVSS score7.5 HIGH

EPSS probability1.78%

CISA KEVNot currently listed

Published2019-05-06

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A specifically malformed MQTT Subscribe packet crashes MQTT Brokers using the mqtt-packet module versions < 3.5.1, 4.0.0 - 4.1.3, 5.0.0 - 5.6.1, 6.0.0 - 6.1.2 for decoding.

Weakness classification

CWE-125: Out-of-bounds Read
CWE-126: Buffer Over-read

Primary references

support@hackerone.com — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory