Improper Input Validation and Buffer Over-read in mqtt-packet
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | mqtt-packet | < 3.5.1, >= 4.0.0, < 4.1.3, >= 5.0.0, < 5.6.1, >= 6.0.0, < 6.1.2 | 3.5.1, 4.1.3, 5.6.1, 6.1.2 |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-125, CWE-126- Platform
- npm
- Package
mqtt-packet- Disclosed
- 14.05.2019
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-wv67-9jq7-8r69 - CC BY 4.0
Vulnerability history: mqtt-packet
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 02.2019 05.2019
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2019: 2
- 2020: 0
- 2021: 0
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Improper Input Validation and Buffer Over-read in mqtt-packet this entry
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