CVE-2026-81508

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

EUVD-2026-86334

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

CVE-2026-81508

The ESF-IDF (Espressif Internet of Things Development Framework) versions 5.5.5 , 6.0.1 , and 6.1 are vulnerable to an out-of-bounds read in the BlueDroid A2DP sink function btc_a2dp_sink_handle_inc_media(). The root cause is that the function reads a timestamp field from a received media buffer ...

CVE-2026-81508 ESF-IDF: Heap Out-of-Bounds Read in Bluedroid A2DP Sink Media Packet Processing

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

CVE-2026-81508 ESF-IDF: Heap Out-of-Bounds Read in Bluedroid A2DP Sink Media Packet Processing

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

CVE-2026-81508 ESF-IDF: Heap Out-of-Bounds Read in Bluedroid A2DP Sink Media Packet Processing

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

CVE-2026-81508: Out-of-bounds Read

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In 5.5.5, 6.0.1, and 6.1, the BlueDroid A2DP sink function btca2dpsinkhandleincmedia reads a timestamp field from the received media buffer before validating that the packet layout contains the field. A paired BR/EDR audio...

PT-2026-98227

Name of the Vulnerable Software and Affected Versions ESF-IDF version 5.5.5 ESF-IDF version 6.0.1 ESF-IDF version 6.1 Description The BlueDroid A2DP sink function btc a2dp sink handle inc media reads a timestamp field from the received media buffer without first validating that the packet layout...

CVE-2026-55687: Stack-based Buffer Overflow

ESF-IDF is the Espressif Internet of Things IOT Development Framework. Versions 6.0.1, 5.5.4, 5.4.4, 5.3.5, and possibly prior contain an out-of-bounds write in jpegparsedqtmarker in components/espdriverjpeg/jpegparsemarker.c because the attacker-controlled DQT marker Tq nibble is used as an inde...

CVE-2026-46532

CVE-2026-46532 describes a heap/out-of-bounds read in Espressif’s ESF-IDF (IoT Development Framework) due to the BlueDroid AVRCP vendor-command parser (avrc_pars_vendor_cmd) in bluedroid. Affected versions are 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0. The issue has been patched in 5.2.7, 5.3.6, 5.4.5,...

CVE-2026-45542 ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a heap buffer overflow exists in the Security Scheme 2 SRP6a session-setup path of the protocomm component. The first-phase handler handlesessioncommand0 in...

CVE-2026-45542 ESF-IDF: Heap buffer overflow in protocomm Security2 over Bluetooth

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a heap buffer overflow exists in the Security Scheme 2 SRP6a session-setup path of the protocomm component. The first-phase handler handlesessioncommand0 in...

CVE-2026-45541

The CVE describes a NULL-pointer dereference in the WebSocket subprotocol-negotiation path of the esp_http_server component in ESF-IDF. During the WebSocket handshake, parsing the clientS WebSocket Protocol header may dereference a NULL tokenisation result, causing a crash before any application...

PT-2026-48354

Name of the Vulnerable Software and Affected Versions ESF-IDF version 5.2.6 ESF-IDF version 5.3.5 ESF-IDF version 5.4.4 ESF-IDF version 5.5.3 ESF-IDF version 6.0 Description An out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser within the avrc pars vendor cmd function located ...

CVE-2026-45541: NULL Pointer Dereference

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a NULL-pointer dereference exists in the WebSocket subprotocol-negotiation path of the esphttpserver component. While parsing the client-supplied Sec-WebSocket-Protocol request...

CVE-2026-45328: Improper Input Validation

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.4 and 6.0, the esptee component exposes secure-service wrappers in espsecureservices.c and espsecureservicesiram.c that bridge calls from the user application i.e. the REE to TEE-protected hardware peripherals...

CVE-2026-46532: Out-of-bounds Read

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.3, and 6.0, an out-of-bounds read exists in the BlueDroid AVRCP vendor-command parser avrcparsvendorcmd in components/bt/host/bluedroid/stack/avrc/avrcparstg.c. This issue has been patched ...

CVE-2026-45160: Out-of-bounds Read

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.7, 5.3.5, 5.4.4, 5.5.4, and 6.0.1, an out-of-bounds read flaw exists in the DHCP server option parser parseoptions in components/lwip/apps/dhcpserver/dhcpserver.c shipped with ESP-IDF's lwIP component. The pars...

CVE-2026-45542: Heap-based Buffer Overflow

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.2.6, 5.3.5, 5.4.4, 5.5.4, and 6.0, a heap buffer overflow exists in the Security Scheme 2 SRP6a session-setup path of the protocomm component. The first-phase handler handlesessioncommand0 in...

CVE-2026-45329: Improper Input Validation

ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.4 and 6.0, several ESP-TEE secure-service wrappers in espsecureservices.c and espsecureservicesiram.c validated only some of the caller-supplied pointer arguments, leaving input pointer arguments unchecked...