CVE-2023-33657

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/emqx/nanomqProduct
https://github.com/emqx/nanomq/issues/1165#issue-1668648319Exploit, Issue Tracking
https://github.com/emqx/nanomq/pull/1187Patch
https://github.com/emqx/nanomqProduct
https://github.com/emqx/nanomq/issues/1165#issue-1668648319Exploit, Issue Tracking
https://github.com/emqx/nanomq/pull/1187Patch

Timeline

Published: Jun 8, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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