CVE-2026-10654

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

CVE-2026-10654

The CVE-2026-10654 issue is a race in Zephyr’s Bluetooth Classic RFCOMM host stack (subsys/bluetooth/host/classic/rfcomm.c): when one side initiates a session teardown and the peer simultaneously sends a DISC for DLCI 0, rfcomm_handle_disc() forces the session to DISCONNECTED without calling bt_l...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

CVE-2026-53208 Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: reject BR/EDR signaling packets over MTUsig net/bluetooth/l2capcore.c:l2capsigchannel accepts BR/EDR signaling packets up to the channel MTU and dispatches each command without enforcing the signaling MTU MTUsig...

UBUNTU-CVE-2026-10651

btsdpparseattribute in subsys/bluetooth/host/classic/sdp.c validated only that the SDP record buffer held the type-marker byte plus the 2-byte attribute ID a check of buf-len data0 before its only bounds guard an ASSERTNOMSG that compiles out when CONFIGASSERT is disabled, the production default,...

CVE-2026-10651

btsdpparseattribute in subsys/bluetooth/host/classic/sdp.c validated only that the SDP record buffer held the type-marker byte plus the 2-byte attribute ID a check of buf-len data0 before its only bounds guard an ASSERTNOMSG that compiles out when CONFIGASSERT is disabled, the production default,...

CVE-2026-10651 Out-of-bounds read in Bluetooth Classic SDP attribute parsing (`bt_sdp_parse_attribute`)

btsdpparseattribute in subsys/bluetooth/host/classic/sdp.c validated only that the SDP record buffer held the type-marker byte plus the 2-byte attribute ID a check of buf-len data0 before its only bounds guard an ASSERTNOMSG that compiles out when CONFIGASSERT is disabled, the production default,...

CVE-2026-10651 Out-of-bounds read in Bluetooth Classic SDP attribute parsing (`bt_sdp_parse_attribute`)

btsdpparseattribute in subsys/bluetooth/host/classic/sdp.c validated only that the SDP record buffer held the type-marker byte plus the 2-byte attribute ID a check of buf-len data0 before its only bounds guard an ASSERTNOMSG that compiles out when CONFIGASSERT is disabled, the production default,...

CVE-2026-10641

Zephyr's Bluetooth Classic Hands-Free Profile HFP Hands-Free role parser subsys/bluetooth/host/classic/hfphf.c contains an out-of-bounds write. During Service Level Connection setup the HF sends AT+CIND=? and parses the AG's +CIND: response in cindhandle, which assigns a per-entry counter index a...

CVE-2026-10641

Zephyr Bluetooth Classic HFP HF CIND parser (subsys/bluetooth/host/classic/hfp_hf.c) contains an out-of-bounds write during +CIND=?/+CIND: handling. cind_handle_values() writes hf-ind_table[index] = i without verifying index is within the 20-element int8_t ind_table[]. A remote attacker could sen...

CVE-2026-28528

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GETFOLDERITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds...

CVE-2026-28527

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GETPLAYERAPPLICATIONSETTINGATTRIBUTETEXT and GETPLAYERAPPLICATIONSETTINGVALUETEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paire...

EUVD-2026-17085

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...

CVE-2026-28526

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...

CVE-2026-28528 BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GETFOLDERITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds...

CVE-2026-28528 BlueKitchen BTstack < 1.8.1 AVRCP Browsing Target GET_FOLDER_ITEMS Handler OOB Read / Undefined Behavior

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GETFOLDERITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds...

CVE-2026-28527 BlueKitchen BTstack < 1.8.1 AVRCP Controller GET_PLAYER_APPLICATION_SETTING_*_TEXT Handlers OOB Read

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller GETPLAYERAPPLICATIONSETTINGATTRIBUTETEXT and GETPLAYERAPPLICATIONSETTINGVALUETEXT handlers that allows nearby attackers to read beyond packet boundaries. Attackers can establish a paire...

CVE-2026-28526

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...

CVE-2026-28526 BlueKitchen BTstack < 1.8.1 AVRCP Controller LIST_PLAYER_APPLICATION_SETTING_* Handlers OOB Read

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Controller LISTPLAYERAPPLICATIONSETTINGATTRIBUTES and LISTPLAYERAPPLICATIONSETTINGVALUES handlers that allows attackers to read beyond buffer boundaries. A nearby attacker with a paired Bluetooth...