CVE-2021-46886
The video framework has memory overwriting caused by addition overflow. Successful exploitation...
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2021-46886- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
- Record
CVE-2021-46886- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2021-33536
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
- Record
EUVD-2021-33536- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2www-m95g-9xrh
The video framework has memory overwriting caused by addition overflow. Successful exploitation...
The video framework has memory overwriting caused by addition overflow. Successful exploitation of this vulnerability may affect availability.
- Record
GHSA-2www-m95g-9xrh- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46886 is a high vulnerability (CVSS 7.5) in Huawei Emui, published May 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.