High

Denial of Service in mqtt

  • Disclosed: 01.09.2020
  • Updated: 11.10.2026 10:22

Affected versions of mqtt will cause the node process to crash when receiving specially crafted MQTT packets, making the application vulnerable to a denial of service condition.

Recommendation

Update to v1.0.0 or later

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package mqtt < 1.0.0 1.0.0

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-248
Platform
npm
Package
mqtt
Disclosed
01.09.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-hg78-c92r-hvwr - CC BY 4.0

Vulnerability history: mqtt

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
12.2017 09.2020
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 1
  • Medium 1

Disclosures per year

  1. 2017: 1
  2. 2018: 0
  3. 2019: 0
  4. 2020: 1
  5. 2021: 0
  6. 2022: 0
  7. 2023: 0
  8. 2024: 0
  9. 2025: 0
  10. 2026: 0
  1. Denial of Service in mqtt this entry
    High · 7.5 CVE-2016-1000242 < 1.0.0 1.0.0
  2. Medium · 6.5 CVE-2017-10910 >= 2.0.0, < 2.15.0 2.15.0

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