{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "COINES_SDK",
          "vendor": "Bosch Sensortec",
          "versions": [
            {
              "lessThanOrEqual": "2.12.2",
              "status": "affected",
              "version": "2.10",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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. \r\n\r\nThe 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. \r\n\r\nA 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. \r\n\r\nThis results in an unbounded heap overwrite ({{memcpy}}), corrupting adjacent heap metadata on the host system when processing the device\u0027s response."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-122",
              "description": "CWE-122 Heap-based Buffer Overflow",
              "lang": "en-US"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-10T09:05:10.550Z",
        "orgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
        "shortName": "bosch"
      },
      "references": [
        {
          "name": "https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c95f66b2-7e7c-41c5-8f09-6f86ec68659c",
    "assignerShortName": "bosch",
    "cveId": "CVE-2026-42807",
    "datePublished": "2026-09-10T09:05:10.550Z",
    "dateReserved": "2026-04-30T08:03:11.875Z",
    "dateUpdated": "2026-09-10T09:05:10.550Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-42807\",\"sourceIdentifier\":\"psirt@bosch.com\",\"published\":\"2026-09-10T09:17:02.250\",\"lastModified\":\"2026-09-10T09:17:02.250\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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. \\r\\n\\r\\nThe 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. \\r\\n\\r\\nA 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. \\r\\n\\r\\nThis results in an unbounded heap overwrite ({{memcpy}}), corrupting adjacent heap metadata on the host system when processing the device\u0027s response.\"}],\"affected\":[{\"source\":\"psirt@bosch.com\",\"affectedData\":[{\"vendor\":\"Bosch Sensortec\",\"product\":\"COINES_SDK\",\"versions\":[{\"version\":\"2.10\",\"lessThanOrEqual\":\"2.12.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@bosch.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"psirt@bosch.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-122\"}]}],\"references\":[{\"url\":\"https://psirt.bosch.com/security-advisories/BOSCH-SA-223618.html\",\"source\":\"psirt@bosch.com\"}]}}"
  }
}