CVE-2023-21000: Google Android

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

In MediaCodec.cpp, there is a possible use after free 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-13Android ID: A-194783918

Affected products

• Google Android: version 13.0 only

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