What is the severity of CVE-2021-0313?

CVE-2021-0313 has been classified as a high severity vulnerability due to its potential to cause remote denial of service.

How do I fix CVE-2021-0313?

To fix CVE-2021-0313, update your Android device to the latest available version that patches the vulnerability.

Is user interaction required to exploit CVE-2021-0313?

No, user interaction is not needed for the exploitation of CVE-2021-0313.

What versions of Android are affected by CVE-2021-0313?

CVE-2021-0313 affects Android versions 8.0, 8.1, 9.0, 10.0, and 11.0.

What can happen if CVE-2021-0313 is exploited?

If CVE-2021-0313 is exploited, it could lead to a crash or slowdown of the affected TextView component, resulting in a denial of service.

Vulnerability/
CVE-2021-0313

high

7.8

CWE

4/1/2021

11/1/2021

3/8/2024

CVE-2021-0313: Input Validation

First published: Mon Jan 04 2021(Updated: )

In isWordBreakAfter of LayoutUtils.cpp, there is a possible way to slow or crash a TextView due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-9, Android-10, Android-11, Android-8.0, Android-8.1; Android ID: A-170968514.

Credit: security@android.com

Affected Software	Affected Version	How to fix
Android
Android	=8.0
Android	=8.1
Android	=9.0
Android	=10.0
Android	=11.0

Remedy

https://source.android.com/security/bulletin/2021-01-01

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-0313?
CVE-2021-0313 has been classified as a high severity vulnerability due to its potential to cause remote denial of service.
How do I fix CVE-2021-0313?
To fix CVE-2021-0313, update your Android device to the latest available version that patches the vulnerability.
Is user interaction required to exploit CVE-2021-0313?
No, user interaction is not needed for the exploitation of CVE-2021-0313.
What versions of Android are affected by CVE-2021-0313?
CVE-2021-0313 affects Android versions 8.0, 8.1, 9.0, 10.0, and 11.0.
What can happen if CVE-2021-0313 is exploited?
If CVE-2021-0313 is exploited, it could lead to a crash or slowdown of the affected TextView component, resulting in a denial of service.

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version/android/11.0

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