{"id":"CVE-2023-20939","details":"In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-243362981","aliases":["A-243362981","ASB-A-243362981"],"modified":"2026-03-14T11:58:01.055362Z","published":"2023-02-28T17:15:10.807Z","references":[{"type":"FIX","url":"https://source.android.com/security/bulletin/2023-02-01"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-20939.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"12.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.1"}]},{"events":[{"introduced":"0"},{"last_affected":"13.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}