CVE-2021-0514: Use After Free
First published: Wed Jul 07 2021(Updated: )
In several functions of the V8 library, there is a possible use after free due to a race condition. This could lead to remote code execution in an unprivileged process with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-9 Android-11 Android-8.1Android ID: A-162604069
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Android | =8.1 | |
| Android | =9.0 | |
| Android | =10.0 | |
| Android | =11.0 |
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Reference Links
- https://android.googlesource.com/platform/external/chromium-libpac/+/438381db24b83e6fde76a4ca2c6a9fa91f822265
- https://android.googlesource.com/platform/external/v8/+/2dc3777900fe5faa900be436bf42dd55353d189a
- https://android.googlesource.com/platform/external/v8/+/6e1e26aaeffbc3b396c54fc4f3d2605b9d4cab67
- https://source.android.com/docs/security/bulletin/2021-07-01 (Advisory)
- https://source.android.com/security/bulletin/2021-07-01
Frequently Asked Questions
What is the severity of CVE-2021-0514?
CVE-2021-0514 has a high severity rating due to its potential for remote code execution through a use-after-free vulnerability.
How do I fix CVE-2021-0514?
To fix CVE-2021-0514, update your Android device to the latest security patch provided by Google.
Which versions of Android are affected by CVE-2021-0514?
CVE-2021-0514 affects Android versions 8.1, 9.0, 10.0, and 11.0.
Is user interaction required to exploit CVE-2021-0514?
No, user interaction is not needed for exploiting CVE-2021-0514.
What can happen if CVE-2021-0514 is successfully exploited?
If exploited, CVE-2021-0514 can lead to remote code execution in an unprivileged process, posing significant security risks.
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