CVE-2021-0587: Use After Free

Published Jul 7, 2021

Updated

In StreamOut::prepareForWriting of StreamOut.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-185259758

Affected Software

5 affected components

Google Android=8.1

Google Android=9.0

Google Android=10.0

Google Android=11.0

Google Android

Event History

Jul 7, 2021

CVE Published

via Android·12:00 AM

Data Sourced

via Android·12:00 AM

SeverityWeaknessAffected Software

Jul 14, 2021

CVE Published

via MITRE·01:46 PM

Data Sourced

via MITRE·01:46 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2021-0587?

CVE-2021-0587 has a severity rating that indicates it can lead to local escalation of privilege.

How do I fix CVE-2021-0587?

To fix CVE-2021-0587, ensure your Android device is updated to the latest security patch provided by Google.

What versions of Android are affected by CVE-2021-0587?

CVE-2021-0587 affects Android versions 8.1, 9.0, 10.0, and 11.0.

Is user interaction required for exploiting CVE-2021-0587?

No, user interaction is not needed for the exploitation of CVE-2021-0587.

What could be the consequence of exploiting CVE-2021-0587?

Exploiting CVE-2021-0587 could lead to a local escalation of privilege without any additional execution privileges needed.