CVE-2026-34858
Use-After-Free in Communication Module Causing Availability Impact
Publication date: 2026-04-13
Last updated on: 2026-04-15
Assigner: Huawei Technologies
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| huawei | harmonyos | 5.1.0 |
| huawei | harmonyos | 6.0.0 |
| huawei | harmonyos | 5.1.1 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-362 | The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Use-After-Free (UAF) issue found in the communication module. A UAF vulnerability occurs when a program continues to use a pointer after the memory it points to has been freed, which can lead to unpredictable behavior or crashes.
How can this vulnerability impact me? :
Successful exploitation of this vulnerability may affect the availability of the affected system or service.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, apply the latest security updates released by Huawei in April 2026 for HarmonyOS devices.
These updates include patches addressing various vulnerabilities affecting multiple modules and third-party libraries in HarmonyOS-based devices.