CVE-2021-39803: Google Android

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-193790350

Affected products

• Google Android: version 10.0 only; version 11.0 only; version 12.0 only; version 12.1 only

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