CVE-2018-9543: Google Android

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.

Affected products

• Google Android: version 7.0 only; version 7.1.1 only; version 7.1.2 only; version 8.0 only; version 8.1 only; version 9.0 only

Published 2018-11-14. Last modified 2026-06-17.