CVE-2021-0921: Google Android

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In ParsingPackageImpl of ParsingPackageImpl.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-195962697

Affected products

• Google Android: version 11.0 only

Published 2021-12-15. Last modified 2026-06-17.