CVE-2021-39629: Google Android

High severity, CVSS 7.0. EPSS: 0.1% chance of exploitation in the next 30 days.

In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344

Affected products

• Google Android: version 9.0 only; version 10.0 only; version 11.0 only; version 12.0 only

Published 2022-01-14. Last modified 2026-06-17.