Vulnerability in Emqx Nanomq
CVE-2024-42650
NanoMQ 0.17.5 was discovered to contain a segmentation fault via the component /nanomq/pub_handler.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PUBLISH message.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Emqx Nanomq — versions 0.17.5
References
- github.com/nanomq/nanomq (Product)
- github.com/emqx/nanomq/issues/1168 (Exploit, Issue Tracking)
- github.com/nanomq/nanomq/pull/1170 (Exploit, Issue Tracking)
Frequently asked questions
- What is CVE-2024-42650?
- CVE-2024-42650 is a high-severity vulnerability in Emqx Nanomq. CVSS score: 7.5/10. Published 2025-07-15.
- How severe is CVE-2024-42650?
- High severity. CVSS v3 base score is 7.5 out of 10.