{
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    "cna": {
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "title": "Buffer overflow in socket HCI transport",
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')",
              "lang": "en",
              "cweId": "CWE-120",
              "type": "CWE"
            }
          ]
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "affected": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache NimBLE",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThanOrEqual": "1.9.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "descriptions": [
        {
          "value": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE.\nThe HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised controller on the other end of the HCI socket link, not over-the-air Bluetooth access.\n\nThis issue affects Apache NimBLE: through 1.9.0.\n\nUsers are recommended to upgrade to version 1.10.0, which fixes the issue.",
          "lang": "en",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "<p>Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Apache NimBLE.<br><span style=\"background-color: rgb(255, 255, 255);\">The HCI socket transport did not check whether a received HCI event would fit the configured event pool before copying it, allowing a buffer overflow. Severity is low: exploitation requires either a misconfigured pool size or a malicious/compromised controller on the other end of the HCI socket link, not over-the-air Bluetooth access.</span></p><p>This issue affects Apache NimBLE: through 1.9.0.</p><p>Users are recommended to upgrade to version 1.10.0, which fixes the issue.</p>"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/apache/mynewt-nimble/commit/dcc4e4f026109eecd507de9479bb5019306a4a41",
          "tags": [
            "patch"
          ]
        },
        {
          "url": "https://lists.apache.org/thread/5mkz68y1py0o6zmxtc3l1o8grtrb78m0",
          "tags": [
            "vendor-advisory"
          ]
        }
      ],
      "metrics": [
        {
          "other": {
            "type": "Textual description of severity",
            "content": {
              "text": "low"
            }
          }
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Yicheng Yang, Secsys Lab, Fudan University",
          "type": "reporter"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "cveId": "CVE-2026-45811",
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}