7.5
CWE
119 787
Advisory Published
Updated

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 SoftwareAffected VersionHow to fix
HarmonyOS<2.0
EMUI 5.0=11.0.0
EMUI 5.0=12.0.0
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.

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