What is the severity of CVE-2021-46786?

The severity of CVE-2021-46786 is significant due to its potential for out-of-bounds memory access which can lead to exploitation.

How do I fix CVE-2021-46786?

To fix CVE-2021-46786, users should update their Huawei devices to the latest firmware versions that address this vulnerability.

Which Huawei software versions are affected by CVE-2021-46786?

CVE-2021-46786 affects Huawei Emui versions 10.1.0, 10.1.1, 11.0.0, 11.0.1, 12.0.0, Magic UI versions 3.1.0, 3.1.1, 4.0.0, and HarmonyOS version 2.0.

How can CVE-2021-46786 be exploited?

CVE-2021-46786 can be exploited through the audio module by sending manipulated parameters which may lead to memory access violations.

What are the potential impacts of CVE-2021-46786?

The potential impacts of CVE-2021-46786 include application crashes or unauthorized access to sensitive information due to memory corruption.

Vulnerability/
CVE-2021-46786

critical

9.8

CWE

119

13/5/2022

4/8/2024

CVE-2021-46786: Buffer Overflow

First published: Fri May 13 2022(Updated: )

The audio module has a vulnerability in verifying the parameters passed by the application space.Successful exploitation of this vulnerability may cause out-of-bounds memory access.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
EMUI 5.0	=10.1.0
EMUI 5.0	=10.1.1
EMUI 5.0	=11.0.0
EMUI 5.0	=11.0.1
EMUI 5.0	=12.0.0
Magic UI	=3.1.0
Magic UI	=3.1.1
Magic UI	=4.0.0
HarmonyOS	=2.0

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-46786?
The severity of CVE-2021-46786 is significant due to its potential for out-of-bounds memory access which can lead to exploitation.
How do I fix CVE-2021-46786?
To fix CVE-2021-46786, users should update their Huawei devices to the latest firmware versions that address this vulnerability.
Which Huawei software versions are affected by CVE-2021-46786?
CVE-2021-46786 affects Huawei Emui versions 10.1.0, 10.1.1, 11.0.0, 11.0.1, 12.0.0, Magic UI versions 3.1.0, 3.1.1, 4.0.0, and HarmonyOS version 2.0.
How can CVE-2021-46786 be exploited?
CVE-2021-46786 can be exploited through the audio module by sending manipulated parameters which may lead to memory access violations.
What are the potential impacts of CVE-2021-46786?
The potential impacts of CVE-2021-46786 include application crashes or unauthorized access to sensitive information due to memory corruption.

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collector/mitre-cve
source/MITRE
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agent/first-publish-date
agent/description
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agent/software-canonical-lookup-request
vendor/huawei
canonical/emui 5.0
version/emui 5.0/10.1.0
version/emui 5.0/10.1.1
version/emui 5.0/11.0.0
version/emui 5.0/11.0.1
version/emui 5.0/12.0.0
canonical/magic ui
version/magic ui/3.1.0
version/magic ui/3.1.1
version/magic ui/4.0.0
canonical/harmonyos
version/harmonyos/2.0

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