{"id":"PUB-A-181588752","details":"In OnMetadataChangedListener of AdvancedBluetoothDetailsHeaderController.java, there is a possible  leak of Bluetooth MAC addresses due to log information disclosure. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-181588752","CVE-2021-0991"],"modified":"2026-05-27T15:53:17.428190120Z","published":"2021-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/packages/apps/Settings/+/13f41075d4f04a374790d0512b0dbb2af2a92ea0"}],"affected":[{"package":{"name":"platform/packages/apps/Settings","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2021-12-01"}]}],"versions":["12"],"ecosystem_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"245129840886675525281875247632193388794","length":234},"signature_type":"Function","id":"PUB-A-181588752-07bee88a","target":{"file":"src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java","function":"onMetadataChanged"},"signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Settings/+/13f41075d4f04a374790d0512b0dbb2af2a92ea0"},{"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["255516321675221604299680322310391253881","12327743438375742258779007198816930852","12726885201821212276889396785101473400","102582020555965550672013237599700855254","162450658683837302038969388447910338712"]},"signature_type":"Line","id":"PUB-A-181588752-386c4640","target":{"file":"src/com/android/settings/bluetooth/AdvancedBluetoothDetailsHeaderController.java"},"signature_version":"v1","source":"https://android.googlesource.com/platform/packages/apps/Settings/+/13f41075d4f04a374790d0512b0dbb2af2a92ea0"}],"types":["ID"],"severity":"Moderate","spl":"2021-12-01","fixes":["https://android.googlesource.com/platform/packages/apps/Settings/+/13f41075d4f04a374790d0512b0dbb2af2a92ea0"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/PUB-A-181588752.json"}}],"schema_version":"1.7.5"}