What is CVE-2024-42649?

CVE-2024-42649 is a medium-severity vulnerability in Emqx Nanomq, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2025-07-14.

How severe is CVE-2024-42649?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Emqx Nanomq

CVE-2024-42649

NanoMQ v0.22.10 was discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via a crafted PUBLISH message.

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Emqx Nanomq — versions 0.22.10
N/a — versions n/a

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-42649?: CVE-2024-42649 is a medium-severity vulnerability in Emqx Nanomq, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 6.5/10. Published 2025-07-14.
How severe is CVE-2024-42649?: Medium severity. CVSS v3 base score is 6.5 out of 10.