CVE-2016-9797: In BlueZ 5.42, a buffer over-read was observed in "l2cap_dump" function in "tools/parser/l2cap.c" source file.

Security readout for executives and security teams

CVE-2016-9797 is a BlueZ 5.42 issue where the hcidump parsing tool can crash when it processes a corrupted Bluetooth dump file. The sources describe a tool availability problem, not evidence of remote compromise of Bluetooth services. Exposure is most likely on Linux systems or analyst workstations using BlueZ 5.42 hcidump/parser tooling to inspect Bluetooth dump files, especially files received from untrusted sources. The bundle does not identify broader affected products or version ranges. This should be handled as a low-urgency hygiene item unless your teams routinely process untrusted Bluetooth dumps. Prioritize patching analyst workstations and tooling images, but there is no sourced evidence here of active exploitation or business-system compromise. Mitigation focus: Check BlueZ and distribution vendor advisories for patched package versions.; Avoid opening untrusted Bluetooth dump files with vulnerable hcidump tooling.; Run Bluetooth dump analysis in isolated, low-privilege environments..

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.