{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.8.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "beced99ac090fece04d1e0eb6648b8075e156c6c"
            }
          ],
          "repo": "https://github.com/STMicroelectronics/STM32CubeH7",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A buffer overflow vulnerability in the USBH_ParseCfgDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.",
  "id": "CVE-2021-34259",
  "modified": "2026-03-13T21:54:19.584683850Z",
  "published": "2021-07-22T20:15:08.150Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/STMicroelectronics/STM32CubeH7/issues/76"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}