{"id":"CVE-2023-40078","aliases":["A-275626001","ASB-A-275626001","EUVD-2023-44685","GHSA-656m-cwmw-37pj"],"status":"published","title":"In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out...","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00524,"percentile":0.44825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-12-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/packages/modules/Bluetooth","fixed_in":["14-next:2023-12-01","14:2023-12-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/packages/modules/Bluetooth","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14-next:0"},{"fixed":"14-next:2023-12-01"}]}],"versions":["14-next"]},{"source":"osv","ecosystem":"Android","package":"platform/packages/modules/Bluetooth","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14:0"},{"fixed":"14:2023-12-01"}]}],"versions":["14"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://android.googlesource.com/platform/packages/modules/Bluetooth/+/6cdf985a664476659b84d8c74698cb3dfa28f82b","tags":["x_transferred","Mailing List","Patch","fix"]},{"url":"https://source.android.com/security/bulletin/2023-12-01","tags":["x_transferred","Patch","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40078"},{"url":"https://github.com/advisories/GHSA-656m-cwmw-37pj"}],"sources":{"cve":[{"id":"CVE-2023-40078","description":"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.","status":"published","published":"2023-12-04T22:40:51.15Z","modified":"2024-08-02T18:24:54.909Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44685","description":"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.","status":"published","published":"2023-12-04T22:40:51Z","modified":"2024-08-02T18:24:54Z","updated_at":"2026-11-03T03:50:02.143491Z"}],"ghsa":[{"id":"GHSA-656m-cwmw-37pj","title":"In a2dp_vendor_opus_decoder_decode_packet of a2dp_vendor_opus_decoder.cc, there is a possible out...","description":"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.","status":"published","published":"2023-12-05T00:31:08Z","modified":"2023-12-22T03:30:32Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:55:15.802634Z"}],"nvd":[{"id":"CVE-2023-40078","description":"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.","status":"published","published":"2023-12-04T23:15:23.807Z","modified":"2026-06-17T06:16:04.587Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:52.544469Z"}],"osv":[{"id":"ASB-A-275626001","description":"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.","status":"published","published":"2023-12-01T00:00:00Z","modified":"2026-11-09T16:40:10.884737887Z","updated_at":"2026-11-10T17:35:05.865114Z"}]}}