CVE-2021-39708: Google Android

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

In gatt_process_notification of gatt_cl.cc, 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-12Android ID: A-206128341

Affected products

• Google Android: version 12.0 only

Published 2022-03-16. Last modified 2026-06-17.