{"id":"ASB-A-275626001","details":"In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to paired device escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","aliases":["A-275626001","CVE-2023-40078"],"modified":"2026-05-26T15:46:26.044149249Z","published":"2023-12-01T00:00:00Z","references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2023-12-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/6cdf985a664476659b84d8c74698cb3dfa28f82b"}],"affected":[{"package":{"name":"platform/packages/modules/Bluetooth","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14-next:0"},{"fixed":"14-next:2023-12-01"}]}],"versions":["14-next"],"ecosystem_specific":{"vanir_signatures":[{"source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508","signature_type":"Line","id":"ASB-A-275626001-22bcb0f6","digest":{"line_hashes":["205886997256130821722098052994006057167","117982904950833458454776729093592095866","47220801757088905102391092920500596210"],"threshold":0.9},"signature_version":"v1","deprecated":false,"target":{"file":"system/stack/a2dp/a2dp_vendor_opus_decoder.cc"}},{"source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508","signature_type":"Function","id":"ASB-A-275626001-c912b0c5","digest":{"length":1522,"function_hash":"327537155723449278422025466717977688302"},"signature_version":"v1","deprecated":false,"target":{"function":"a2dp_vendor_opus_decoder_decode_packet","file":"system/stack/a2dp/a2dp_vendor_opus_decoder.cc"}}],"spl":"2023-12-01","severity":"High","types":["EoP"],"fixes":["https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-275626001.json"}},{"package":{"name":"platform/packages/modules/Bluetooth","ecosystem":"Android"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14:0"},{"fixed":"14:2023-12-01"}]}],"versions":["14"],"ecosystem_specific":{"vanir_signatures":[{"source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508","signature_type":"Function","id":"ASB-A-275626001-0032bee6","digest":{"length":1522,"function_hash":"327537155723449278422025466717977688302"},"signature_version":"v1","deprecated":false,"target":{"function":"a2dp_vendor_opus_decoder_decode_packet","file":"system/stack/a2dp/a2dp_vendor_opus_decoder.cc"}},{"source":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508","signature_type":"Line","id":"ASB-A-275626001-4dc57544","digest":{"line_hashes":["205886997256130821722098052994006057167","117982904950833458454776729093592095866","47220801757088905102391092920500596210"],"threshold":0.9},"signature_version":"v1","deprecated":false,"target":{"file":"system/stack/a2dp/a2dp_vendor_opus_decoder.cc"}}],"spl":"2023-12-01","severity":"High","types":["EoP"],"fixes":["https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c7b6e560eda0e43dcac6ca8298fe01ee0762f508"]},"database_specific":{"source":"https://storage.googleapis.com/android-osv/ASB-A-275626001.json"}}],"schema_version":"1.7.5"}