Security advisory

{
  "id": "ec64e2ea3085cf8c002798252d4eecd603f2ccd127c203e6d2252ebf401dc3d7",
  "url": "https://osv.dev/vulnerability/CVE-2019-7321",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-7321",
    "summary": "Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.",
    "evidence": "osv:CVE-2019-7321",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-7321",
      "aliases": [
        "CVE-2019-7321"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/artifexsoftware/mupdf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7f77313e6d60fc917146b80cce2f9c1ab0152349"
                },
                {
                  "last_affected": "7f77313e6d60fc917146b80cce2f9c1ab0152349"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mupdf:1.14.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.14.0"
                      },
                      {
                        "last_affected": "1.14.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.14.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7321.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:19.003049938Z",
      "provider": "osv",
      "references": [
        "https://bugs.ghostscript.com/show_bug.cgi?id=700560",
        "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=2be83b57e77938fddbb06bdffb11979ad89a9c7d",
        "https://github.com/ereisr00/bagofbugz/tree/master/MuPDF/700560"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-7321",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429912,
  "published_at": "2019-06-13T18:29:00.73+00:00"
}