CVE-2026-34865
Received Received - Intake
Out-of-Bounds Write in WEB Module Affecting Availability, Confidentiality

Publication date: 2026-04-13

Last updated on: 2026-04-17

Assigner: Huawei Technologies

Description
Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
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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-2026-34865
EUVD
EUVD-2026-21877
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
huawei harmonyos 6.0.0
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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Executive Summary

This vulnerability is an out-of-bounds write issue found in the WEB module. An out-of-bounds write occurs when a program writes data outside the boundaries of allocated memory, which can lead to unpredictable behavior.

Impact Analysis

Successful exploitation of this vulnerability can impact both the availability and confidentiality of the affected system.

Compliance Impact

This vulnerability impacts both availability and confidentiality, which are critical aspects of many compliance standards such as GDPR and HIPAA.

A successful exploitation could lead to unauthorized data exposure or service disruption, potentially causing non-compliance with regulations that require protection of personal data and system availability.

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