CVE-2026-34867
Received Received - Intake
Double Free Vulnerability in Multi-Mode Input System Causes DoS

Publication date: 2026-04-13

Last updated on: 2026-04-17

Assigner: Huawei Technologies

Description
Double free vulnerability in the multi-mode input system. Impact: Successful exploitation of this vulnerability may affect availability.
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Meta Information
Published
2026-04-13
Last Modified
2026-04-17
Generated
2026-06-16
AI Q&A
2026-04-13
EPSS Evaluated
2026-06-14
NVD
CVE-2026-34867
EUVD
EUVD-2026-21804
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
huawei harmonyos 5.1.0
huawei harmonyos 6.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-415 The product calls free() twice on the same memory address.
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Executive Summary

This vulnerability is a double free issue in the multi-mode input system. A double free occurs when a program attempts to free the same memory location twice, which can lead to undefined behavior or system instability.

Impact Analysis

Successful exploitation of this vulnerability may affect the availability of the affected system, potentially causing crashes or denial of service.

Mitigation Strategies

The vulnerability affects Huawei HarmonyOS, specifically the multi-mode input system, and may impact system availability.

To mitigate this vulnerability, it is recommended to apply the latest security updates and patches provided by Huawei for HarmonyOS 6.0.0 and related versions.

Since the security bulletin released in April 2026 addresses multiple vulnerabilities including this one, ensure your system is updated according to the official Huawei security bulletins.

Compliance Impact

The provided information does not specify any direct effects of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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