CVE-2021-39804: Google Android

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215002587

Affected products

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

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