CVE-2021-39997 Memory corruption in EMUI
Attackers can exploit unstrict input verification in the audio assembly to cause out-of-bounds access, potentially leading to code execution or crashes.
- 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-2021-39997?
CVE-2021-39997 is a critical memory corruption vulnerability in Huawei Emui, published on 9 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a vulnerability of unstrict input parameter verification in the audio assembly.Successful exploitation of this vulnerability may cause out-of-bounds access.
Weakness: CWE-119
Which versions are affected by CVE-2021-39997?
It affects 1 product.
Products include Huawei Emui.
How do I fix CVE-2021-39997?
No fix has been published for CVE-2021-39997 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-2021-39997 being exploited?
There is no known exploitation of CVE-2021-39997 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-qhxw-jx34-g2pf.