CVE-2023-20939: Google Android

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

In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-243362981

Affected products

• Google Android: version 12.0 only; version 12.1 only; version 13.0 only

Published 2023-02-28. Last modified 2026-06-17.