What is the severity of CVE-2021-40026?

CVE-2021-40026 is classified as a high severity vulnerability due to its potential to cause service integrity issues.

How do I fix CVE-2021-40026?

To mitigate CVE-2021-40026, users should update their Huawei devices to the latest software version available.

Which devices are affected by CVE-2021-40026?

CVE-2021-40026 affects Huawei devices running HarmonyOS up to version 2.0 and EMUI versions 11.0.0 and 12.0.0.

What type of vulnerability is CVE-2021-40026?

CVE-2021-40026 is a heap-based buffer overflow vulnerability located in the AOD module of affected Huawei devices.

What can happen if CVE-2021-40026 is exploited?

Exploitation of CVE-2021-40026 may compromise service integrity on the affected Huawei smartphone.

Vulnerability/
CVE-2021-40026

high

7.5

CWE

119 787

7/1/2022

4/8/2024

CVE-2021-40026: Buffer Overflow

First published: Fri Jan 07 2022(Updated: )

There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei HarmonyOS	<2.0
Huawei EMUI	=11.0.0
Huawei EMUI	=12.0.0
Huawei Magic UI	=4.0.0

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Frequently Asked Questions

What is the severity of CVE-2021-40026?
CVE-2021-40026 is classified as a high severity vulnerability due to its potential to cause service integrity issues.
How do I fix CVE-2021-40026?
To mitigate CVE-2021-40026, users should update their Huawei devices to the latest software version available.
Which devices are affected by CVE-2021-40026?
CVE-2021-40026 affects Huawei devices running HarmonyOS up to version 2.0 and EMUI versions 11.0.0 and 12.0.0.
What type of vulnerability is CVE-2021-40026?
CVE-2021-40026 is a heap-based buffer overflow vulnerability located in the AOD module of affected Huawei devices.
What can happen if CVE-2021-40026 is exploited?
Exploitation of CVE-2021-40026 may compromise service integrity on the affected Huawei smartphone.

agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/weakness
agent/severity
agent/author
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/huawei
canonical/huawei harmonyos
canonical/huawei emui
version/huawei emui/11.0.0
version/huawei emui/12.0.0
canonical/huawei magic ui
version/huawei magic ui/4.0.0

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Frequently Asked Questions

What is the severity of CVE-2021-40026?
CVE-2021-40026 is classified as a high severity vulnerability due to its potential to cause service integrity issues.
How do I fix CVE-2021-40026?
To mitigate CVE-2021-40026, users should update their Huawei devices to the latest software version available.
Which devices are affected by CVE-2021-40026?
CVE-2021-40026 affects Huawei devices running HarmonyOS up to version 2.0 and EMUI versions 11.0.0 and 12.0.0.
What type of vulnerability is CVE-2021-40026?
CVE-2021-40026 is a heap-based buffer overflow vulnerability located in the AOD module of affected Huawei devices.
What can happen if CVE-2021-40026 is exploited?
Exploitation of CVE-2021-40026 may compromise service integrity on the affected Huawei smartphone.