Vulnerability Database

322,904

Total vulnerabilities in the database

CVE-2023-33657

A use-after-free vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function nni_mqtt_msg_get_publish_property() in the file mqtt_msg.c. This vulnerability is caused by improper data tracing, and an attacker could exploit it to cause a denial of service attack.

  • Published: Jun 8, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-33657
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
emqx / nanomq 0.17.2 0.17.2.x