{"id":"CVE-2026-93015","aliases":["EUVD-2026-81684","GHSA-8jfq-vh53-xqf3"],"status":"published","title":"BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00394,"percentile":0.3393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1284","CWE-787"],"published":"2026-09-17T15:16:52Z","modified":"2026-10-28T11:01:35Z","products":[{"vendor":"bluekitchen gmbh","product":"btstack"}],"references":[{"url":"https://github.com/bluekitchen/btstack/commit/fc208fcce056d4e0a5bb916abc90e83a383e1cdf","tags":["patch","fix"]},{"url":"https://github.com/bluekitchen/btstack/blob/v1.8.2/src/classic/a2dp.c#L568","tags":["technical-description","article"]},{"url":"https://github.com/bluekitchen/btstack/blob/v1.8.2/src/classic/avdtp.c#L1703","tags":["technical-description","article"]},{"url":"https://github.com/bluekitchen/btstack","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/bluekitchen-btstack-through-1.8.2-a2dp-sep-discovery-out-of-bounds-write","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93015","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8jfq-vh53-xqf3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93015.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-93015","title":"BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","status":"published","published":"2026-09-17T15:16:52.858Z","modified":"2026-09-17T19:19:21.674Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787","CWE-1284"],"updated_at":"2026-11-02T14:19:54.50686Z"}],"euvd":[{"id":"EUVD-2026-81684","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","status":"published","published":"2026-09-17T15:16:52Z","modified":"2026-09-17T19:19:21Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:28:10.042182Z"}],"ghsa":[{"id":"GHSA-8jfq-vh53-xqf3","title":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against...","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","status":"published","published":"2026-09-17T18:31:47Z","modified":"2026-09-17T18:32:01Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:12:06.546375Z"}],"nvd":[{"id":"CVE-2026-93015","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","status":"published","published":"2026-09-17T16:18:35.847Z","modified":"2026-09-24T21:08:55.03Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787","CWE-1284"],"updated_at":"2026-11-02T14:12:49.013904Z"}],"osv":[{"id":"CVE-2026-93015","title":"BlueKitchen BTstack through 1.8.2 A2DP SEP Discovery Out-of-Bounds Write","description":"BlueKitchen BTstack through 1.8.2 fails to validate the peer-reported endpoint count against table bounds in A2DP stream endpoint discovery. A bonded peer can send an AVDTP DISCOVER response with more endpoints than the fixed table holds, causing out-of-bounds writes that corrupt adjacent static objects and crash the process or sever event delivery.","status":"published","published":"2026-09-17T15:16:52.858Z","modified":"2026-10-28T11:01:35.93902211Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-1284","CWE-787"],"updated_at":"2026-11-02T15:45:20.588039Z"}]}}