CVE-2025-59947

NanoMQ is a messaging broker/bus for IoT Edge & SDV. Versions prior to 0.24.4 have a buffer overflow case while the PUBLISH packets trigger both shared subscription and vanila subscription. This is fixed in version 0.24.4. As a workaround, disable shared subscription.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.3 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b	Patch
https://github.com/nanomq/nanomq/issues/2110	Issue Tracking Patch
https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:*

History

30 Jan 2026, 21:14

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.0
First Time		Emqx Emqx nanomq
CPE		cpe:2.3:a:emqx:nanomq::::::::
References	~~() https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b -~~	() https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b - Patch
References	~~() https://github.com/nanomq/nanomq/issues/2110 -~~	() https://github.com/nanomq/nanomq/issues/2110 - Issue Tracking, Patch
References	~~() https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3 -~~	() https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3 - Vendor Advisory

15 Dec 2025, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-15 21:15

Updated : 2026-01-30 21:14

NVD link : CVE-2025-59947

Mitre link : CVE-2025-59947

CVE.ORG link : CVE-2025-59947

JSON object : View

Products Affected

emqx

nanomq

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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