CVE-2023-21354: Google Android

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

In Package Manager Service, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

• Google Android: version 14.0 only

Published 2023-10-30. Last modified 2026-06-17.