CVE-2021-39623

Published: Jan 14, 2022Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348

Affected (4)

Products: Google: Android

1 product

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Google Android	Version 10.0
Google Android	Version 11.0
Google Android	Version 12.0
Google Android	Version 9.0

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

https://source.android.com/security/bulletin/2022-01-01

Source: security@android.com

Vendor Advisory

https://source.android.com/security/bulletin/2022-01-01

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.