Security advisory

{
  "id": "a9e1fd3e314b45ca2c650341f6a68d85eb2ddfb747db4301a5e141f147d68155",
  "url": "https://osv.dev/vulnerability/CVE-2020-19474",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-19474",
    "summary": "An issue has been found in function Gfx::doShowText in PDF2JSON 0.70 that allows attackers to cause a Denial of Service due to an Use After Free .",
    "evidence": "osv:CVE-2020-19474",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-19474",
      "aliases": [
        "CVE-2020-19474"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/flexpaper/pdf2json",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b671b647a7e487b021744f330b8dd2d6ccfa8103"
                },
                {
                  "last_affected": "b671b647a7e487b021744f330b8dd2d6ccfa8103"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:flowpaper:pdf2json:0.70:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.70"
                      },
                      {
                        "last_affected": "0.70"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.70",
            "v0.71",
            "0.71"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-19474.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:51.372757279Z",
      "provider": "osv",
      "references": [
        "https://github.com/flexpaper/pdf2json/issues/35"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-19474",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379777,
  "published_at": "2021-07-21T18:15:08.847+00:00"
}