CVE-2023-21020: Google Android

Medium severity, CVSS 6.7. EPSS: 0.1% chance of exploitation in the next 30 days.

In registerSignalHandlers of main.c, there is a possible local arbitrary code execution due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256591441

Affected products

• Google Android: version 13.0 only

Published 2023-03-24. Last modified 2026-06-17.