CVE-2024-42651

7.5 highEPSS 0.5%

High (7.5) in emqx nanomq. EPSS 0.5% chance of exploitation in the next 30 days.

NanoMQ v0.17.9 was discovered to contain a heap use-after-free vulnerability via the component sub_Ctx_handle. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted SUBSCRIBE message.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2025-07-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emqx:nanomq

References

https://github.com/nanomq/nanomq
https://github.com/nanomq/nanomq/issues/1217
https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42651.md

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