CVE-2022-46323 Memory corruption in EMUI

Critical 9.8 Published 20 Dec 2022 Updated 16 Apr 2025

An out-of-bounds write in Huawei mobile operating systems can cause system service exceptions, requiring a security patch.

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-2022-46323?

CVE-2022-46323 is a critical memory corruption vulnerability in Huawei Emui, published on 20 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Some smartphones have the out-of-bounds write vulnerability.Successful exploitation of this vulnerability may cause system service exceptions.

Weakness: CWE-787

Which versions are affected by CVE-2022-46323?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-46323?

No fix has been published for CVE-2022-46323 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-2022-46323 being exploited?

There is no known exploitation of CVE-2022-46323 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-4q43-phw7-hf98.