CVE-2021-0520: Google Android

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

In several functions of MemoryFileSystem.cpp and related files, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-176237595

Affected products

• Google Android: version 10.0 only; version 11.0 only

Published 2021-06-21. Last modified 2026-06-17.