CVE-2025-59946

HIGH

NanoMQ < 0.24.2 - Use-After-Free in Sub Info List

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Exploit, Issue Tracking x_refsource_misc
https://github.com/nanomq/nanomq/issues/1863

Scores

CVSS v3 7.5
EPSS 0.0032
EPSS Percentile 23.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (1)
emqx/nanomq < 0.24.4
Published Dec 27, 2025
Tracked Since Feb 18, 2026