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CVE-2026-42807

COINES_SDK · denial of service

CVSS 3.1 8.0 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-42807

Published

A heap-based buffer overflow vulnerability in the PC bridge protocol decoder of BoschSensortec COINES_SDK (versions 2.10 through 2.12.2) allows attackers to cause a denial of service (process crash) or potentially execute arbitrary code. The bridge decoder ({{bridge_decoder.c}}) trusts the packet length field provided by the external device and forwards it to the host response queue ({{mqueue_add_data}}) without validating the bounds of the destination buffer. A malicious or compromised USB or Bluetooth Low Energy (BLE) peripheral can advertise a payload size up to ~3 KB, which exceeds the default queue slot size of 255 bytes. This results in an unbounded heap overwrite ({{memcpy}}), corrupting adjacent heap metadata on the host system when processing the device's response.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-42807

Published

COINES_SDK

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Bosch Sensortec",
                    "product": "COINES_SDK",
                    "versions": [
                        {
                            "version": "2.10",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThanOrEqual": "2.12.2"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON