CVE-2016-9802: In BlueZ 5.42, a buffer over-read was identified in "l2cap_packet" function in "monitor/packet.c" source file.

Security readout for executives and security teams

CVE-2016-9802 is a BlueZ 5.42 issue where the btmon Bluetooth monitoring tool can crash when it processes a corrupted dump file. The available sources describe a tool crash, not system compromise or remote Bluetooth takeover. Business urgency is highest where staff analyze untrusted Bluetooth captures. Exposure is most likely on Linux systems using BlueZ 5.42 btmon to inspect Bluetooth dump files, especially captures from external or untrusted sources. General Bluetooth-enabled hosts are not clearly exposed unless this monitoring workflow exists. Treat this as a targeted reliability issue for Bluetooth analysis workflows. Prioritize patching where security or engineering teams handle external Bluetooth captures; otherwise handle through normal vulnerability maintenance. Mitigation focus: Check vendor BlueZ packages and apply relevant security updates.; Avoid opening untrusted Bluetooth dump files with vulnerable btmon versions.; Use isolated analysis systems for third-party Bluetooth captures..

Prepared

Jun 13, 2026, 13:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.