CVE-2023-21391: Google Android

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

In Messaging, there is a possible way to disable the messaging application due to improper input validation. This could lead to remote denial of service 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.