CVE-2021-40034: Huawei Emui

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.

Affected products

• Huawei Emui: version 10.1.0 only; version 10.1.1 only; version 11.0.0 only; version 12.0.0 only
• Huawei Harmonyos: version 2.0 only
• Huawei Magic UI: version 3.1.0 only; version 3.1.1 only; version 4.0.0 only

Published 2022-08-10. Last modified 2026-06-17.