{"id":"PUB-A-243922806", "published":"2022-12-01T00:00:00Z", "modified":"2026-04-30T15:48:46.890647439Z", "aliases":["CVE-2022-20552", "A-243922806"], "details":"In btif_a2dp_sink_command_ready of btif_a2dp_sink.cc, there is a possible out of bounds read due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":"platform/packages/modules/Bluetooth", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"13:0"}, {"fixed":"13:2022-12-01"}]}], "versions":["13"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/platform/packages/modules/Bluetooth/+/9817ef5e94eca59e666b06f51726cf42ad795a8b"], "severity":"Moderate", "spl":"2022-12-01", "types":["ID"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"168199023650577324740473217060957518896", "length":764}, "id":"PUB-A-243922806-2a6eed81", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/9817ef5e94eca59e666b06f51726cf42ad795a8b", "target":{"file":"system/btif/src/btif_a2dp_sink.cc", "function":"btif_a2dp_sink_command_ready"}}, {"deprecated":false, "digest":{"line_hashes":["141359719233861400509058078807417248523", "257323838391449703508987695826986610788", "297051908284673274171922458888129311125", "127823624903376876452744620997162483473", "216233060177106980018343518428829629871"], "threshold":0.9}, "id":"PUB-A-243922806-bef1d320", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/9817ef5e94eca59e666b06f51726cf42ad795a8b", "target":{"file":"system/btif/src/btif_a2dp_sink.cc"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2022-12-01"}, {"type":"FIX", "url":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/9817ef5e94eca59e666b06f51726cf42ad795a8b"}]}