CVE-2025-65953

Description

NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Prior to version 0.22.5, a Heap-Use-After-Free (UAF) vulnerability exists in the TCP transport component of NanoMQ, which relies on the underlying NanoNNG library (specifically in src/sp/transport/mqtt/broker_tcp.c). The vulnerability is due to improper resource management and premature cleanup of message and pipe structures under specific malformed MQTTV5 retain message traffic conditions. This issue has been patched in version 0.22.5.

PUBLISHED Reserved 2025-11-18 | Published 2025-11-25 | Updated 2025-11-26 | Assigner GitHub_M

Problem types

CWE-416: Use After Free

Product status

References

github.com/...nanomq/security/advisories/GHSA-r95p-wjm8-2qxr

cve.org (CVE-2025-65953)

nvd.nist.gov (CVE-2025-65953)

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