CVE-2021-46814 Memory corruption in EMUI
An out-of-bounds memory read/write in the video framework allows attackers to compromise system availability on Huawei devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-46814?
CVE-2021-46814 is a high-severity memory corruption vulnerability in Huawei Emui, published on 13 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The video framework has an out-of-bounds memory read/write vulnerability. Successful exploitation of this vulnerability may affect system availability.
Which versions are affected by CVE-2021-46814?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-46814?
No fix has been published for CVE-2021-46814 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-46814 being exploited?
There is no known exploitation of CVE-2021-46814 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-7vpf-p586-5v6m.