{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-42804",
        "assignerOrgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
        "state": "PUBLISHED",
        "assignerShortName": "bosch",
        "dateReserved": "2026-04-30T08:03:11.875Z",
        "datePublished": "2026-09-10T08:56:14.315Z",
        "dateUpdated": "2026-09-10T15:01:55.301Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
                "shortName": "bosch",
                "dateUpdated": "2026-09-10T08:56:14.315Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A stack-based buffer overflow vulnerability exists in the Bosch Sensortec BHI360 SensorAPI(C-Library) in versions up to and including commit d6b200416a.\r\n\r\nThe vulnerability is located within the FIFO parsing and debug logging subsystem inside the function bhi360_parse_debug_message() in bhi360_parse.c (lines 1852-1875). \r\n\r\nThe parser trusts the first payload byte of a debug frame as the message length (msg_length) and copies that many bytes into a fixed-size 17-byte stack buffer (debug_msg) via memcpy without performing any bounds checking.\r\n\r\nA locally or physically positioned attacker (e.g., via a malicious sensor, counterfeit hardware module, or a Man-in-the-Middle on the communication bus) can exploit this vulnerability by injecting a crafted debug frame with a length byte exceeding 16.\r\n\r\nThis corrupts adjacent stack data, including the saved return address.\r\n\r\nFurthermore, because the overflowed buffer is subsequently passed to a printf-style logging sink, the attacker can supply format string specifiers (e.g., %n) to execute arbitrary code on the host microcontroller/SoC or cause a reliable system crash (Denial of Service)."
                }
            ],
            "affected": [
                {
                    "vendor": "Bosch Sensortec",
                    "product": "BHI360_SensorAPI (C-Library)",
                    "versions": [
                        {
                            "version": "2.1.0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThanOrEqual": "2.2.0"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en-US",
                            "description": "CWE-121 Stack-based Buffer Overflow",
                            "cweId": "CWE-121"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html",
                    "name": "https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
                        "attackVector": "PHYSICAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.6,
                        "baseSeverity": "HIGH"
                    }
                }
            ]
        },
        "adp": [
            {
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                            "content": {
                                "timestamp": "2026-09-10T15:01:43.170911Z",
                                "id": "CVE-2026-42804",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "no"
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                                        "Technical Impact": "total"
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