CVE-2025-59946

NanoMQ has a Use After Free vulnerability via sub info list

State: Published
Severity: 7.5 High
Published: Dec 27, 2025
Updated: Dec 29, 2025
Reserved: Sep 23, 2025

Description

NanoMQ MQTT Broker (NanoMQ) is an Edge Messaging Platform. Prior to version 0.24.2, there is a classical data racing issue about sub info list which could result in heap use after free crash. This issue has been patched in version 0.24.2.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
nanomqnanomq	< 0.24.4Affected

References

https://github.com/nanomq/nanomq/security/advisories/GHSA-xg37-23w7-72p5
https://github.com/nanomq/nanomq/issues/1863

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