Vulnerability · Published Dec 27, 2025 · Assigned by GitHub_M
CVE-2025-59946NanoMQ has a Use After Free vulnerability via sub info list
High 7.5
In plain English
A high-severity use-after-free in nanomq from nanomq. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/nanomq/nanomq/security/advisories/GHSA-xg37-23w7-72p5 x_refsource_CONFIRM
- https://github.com/nanomq/nanomq/issues/1863 x_refsource_MISC