CVE-2024-42651
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-07-29
Last updated on: 2025-08-06
Assigner: MITRE
Description
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| emqx | nanomq | 0.17.9 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a heap use-after-free (UAF) issue in NanoMQ version 0.17.9, specifically in the component sub_Ctx_handle. It occurs due to improper management of retained messages, which leads to accessing memory that has already been freed. This flaw can be triggered by a crafted SUBSCRIBE message. [1]
How can this vulnerability impact me? :
An attacker can exploit this vulnerability to cause a Denial of Service (DoS) condition in NanoMQ by sending a specially crafted SUBSCRIBE message, potentially crashing the service or disrupting its normal operation. [1]
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