Vulnerability · Published Dec 15, 2025 · Assigned by GitHub_M
CVE-2025-59947NanoMQ has Buffer Overflow
High 8.5
In plain English
A high-severity buffer overflow in nanomq from nanomq. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 4.0)8.5High
Exploit odds (30 days)0.3%top 74.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-120 · 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
References
- https://github.com/nanomq/nanomq/security/advisories/GHSA-98f4-cmg8-x7f3 x_refsource_CONFIRM
- https://github.com/nanomq/nanomq/issues/2110 x_refsource_MISC
- https://github.com/nanomq/nanomq/commit/5f5581054bb92f102cf99251e8af2f43763d457b x_refsource_MISC