{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.27.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "aca07679a6dd281ee6411f5e7de2ed0ee796bee8"
            }
          ],
          "repo": "https://github.com/opensc/opensc",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-q5fc-cw56-hwp2"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-121"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66215.json"
  },
  "details": "OpenSC is an open source smart card tools and middleware. Prior to version 0.27.0, an attacker with physical access to the computer at the time user or administrator uses a token can cause a stack-buffer-overflow WRITE in card-oberthur. The attack requires crafted USB device or smart card that would present the system with specially crafted responses to the APDUs. This issue has been patched in version 0.27.0.",
  "id": "CVE-2025-66215",
  "modified": "2026-04-01T23:08:17.524336322Z",
  "published": "2026-03-30T17:06:16.996Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66215.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/OpenSC/OpenSC/commit/efd1d479832141bcf705c2f47655ada4d5f92f5d"
    },
    {
      "type": "FIX",
      "url": "https://github.com/OpenSC/OpenSC/pull/3436"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/OpenSC/OpenSC/security/advisories/GHSA-q5fc-cw56-hwp2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/OpenSC/OpenSC/wiki/CVE-2025-66215"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66215"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenSC: Stack-buffer-overflow WRITE in card-oberthur"
}