CVE-2025-59947

NanoMQ has Buffer Overflow

Published Dec 15, 2025 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 9.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Emqx
Emqx nanomq
Vendors & Products Emqx
Emqx nanomq
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title NanoMQ has Buffer Overflow
Weaknesses CWE-120
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Dec 15, 2025, 8:58 PM
Reserved
Sep 23, 2025, 2:33 PM
Status
Analyzed
Published
Dec 15, 2025, 9:15 PM
Modified
Oct 14, 2026, 1:10 PM