CVE-2025-59946 describes a heap use-after-free vulnerability in NanoMQ MQTT Broker versions prior to 0.24.2, stemming from a data race issue in the subscription information list. This flaw carries a CVSS score of 7.5 (HIGH), indicating that a low-privileged attacker can remotely exploit it with high attack complexity, potentially leading to high impact on confidentiality, integrity, and availability. While the FAUCET Risk Score is high at 89/100, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.24.4CPE matchmatch criteria | cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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