CVE-2025-59947
criticalNanoMQ is a messaging broker/bus for IoT Edge & SDV.
Vendor / product: Emqx — nanomq
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
9.0
9.0 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-12-15 21:15
Modified: 2026-10-14 13:10
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
emqx / nanomq <0.24.4
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b
Patch / mitigation: https://github.com/nanomq/nanomq/issues/2110
References
- https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b security-advisories@github.com
- https://github.com/nanomq/nanomq/issues/2110 security-advisories@github.com
- https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3 security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗