Vulnerability in Flashmq
CVE-2024-42644
FlashMQ v1.14.0 was discovered to contain an assertion failure in the function PublishCopyFactory::getNewPublish, which occurs when the QoS value of the publish object is greater than 0.
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: 0.005 (41.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% 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: 0.005 · change: +0.000
Affected products
- Flashmq — versions 1.14.0
Weakness classification (CWE)
References
- github.com/halfgaar/FlashMQ (Product)
- www.flashmq.org/2024/06/17/flashmq-1-15-1-released/ (Release Notes)
- github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/cve-2024-42644.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-42644?
- CVE-2024-42644 is a high-severity vulnerability in Flashmq, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2025-07-29.
- How severe is CVE-2024-42644?
- High severity. CVSS v3 base score is 7.5 out of 10.