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CVE-2025-59946

NanoMQ has a Use After Free vulnerability via sub info list

Published: Dec 27, 2025Updated: Jan 30, 2026 Sources: CVE List NVDCWE-416
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 76.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

nanomqnanomq
On-prem
Networking Infrastructure / network-management
nanomqemqx
Mixed
Cloud & SaaS / api-gateway
nanomqoss-projectCNNetworking Infrastructureaka nanomq, nanonng
emqxcommercialCNCloud & SaaS

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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

Timeline

Published
Dec 27, 2025
Last Updated
Jan 30, 2026

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