Security advisory

{
  "id": "84ea8f9c9102442cdb5a1dcbfd3e3f7da5ee193a5efbe430750e4fe45486c79d",
  "url": "https://osv.dev/vulnerability/CVE-2021-28210",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-28210",
    "summary": "An unlimited recursion in DxeCore in EDK II.",
    "evidence": "osv:CVE-2021-28210",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-28210",
      "aliases": [
        "CVE-2021-28210"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/tianocore/edk2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "06dc822d045c2bb42e497487935485302486e151"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "202008"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "edk2-stable202005",
            "edk2-stable202002",
            "edk2-stable201911",
            "edk2-stable201908",
            "edk2-stable201905",
            "edk2-stable201903",
            "edk2-stable201811",
            "edk2-stable201808"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28210.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:19.114408825Z",
      "provider": "osv",
      "references": [
        "https://bugzilla.tianocore.org/show_bug.cgi?id=1743"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-28210",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429937,
  "published_at": "2021-06-11T16:15:12.43+00:00"
}