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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-13

Last Modified

2026-04-17

Generated

2026-07-06

AI Q&A

2026-04-13

EPSS Evaluated

2026-07-05

NVD

CVE-2026-34865

EUVD

EUVD-2026-21877

Affected Vendors & Products

Vendor	Product	Version / Range
huawei	harmonyos	6.0.0

Helpful Resources

Exploitability

CWE

KEV

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().

Attack-Flow Graph

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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