CVE-2021-39805: Google Android

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In l2cble_process_sig_cmd of l2c_ble.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure through Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-212694559

Affected products

  • Google Android: version 12.0 only; version 12.1 only

Published 2022-04-12. Last modified 2026-06-17.