CVE-2021-40034 Integer overflow in EMUI

High 7.5 Published Updated

An integer overflow in the video framework allows attackers to cause a denial of service on Huawei mobile 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-2021-40034?

CVE-2021-40034 is a high-severity vulnerability in Huawei Emui, published on 9 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Which versions are affected by CVE-2021-40034?

It affects 3 products.

Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.

How do I fix CVE-2021-40034?

No fix has been published for CVE-2021-40034 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-40034 being exploited?

There is no known exploitation of CVE-2021-40034 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-crjm-j6hp-gvhj.

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