CVE-2023-21306: Google Android

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

In ContentService, there is a possible way to read installed sync content providers 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: before 14.0 (fixed in 14.0)

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