Security advisory

{
  "id": "7f3317593f6e60efaaf0ce9ee8f6bdf9d3cd956a1d42e5a671a29333deb2532d",
  "url": "https://osv.dev/vulnerability/CVE-2019-19847",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-19847",
    "summary": "Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c.",
    "evidence": "osv:CVE-2019-19847",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-19847",
      "aliases": [
        "CVE-2019-19847"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fontforge/libspiro",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "20190731"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libspiro_project:libspiro:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "20190731"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19847.json"
          }
        }
      ],
      "modified": "2026-10-24T10:49:51.493009525Z",
      "provider": "osv",
      "references": [
        "https://github.com/fontforge/libspiro/issues/21"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-19847",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441863,
  "published_at": "2019-12-17T16:15:14.733+00:00"
}