Security advisory

{
  "id": "4d8867d7668280817a1e262531bed4f7d5498d64d9906f23a99aa32ec1aeed12",
  "url": "https://osv.dev/vulnerability/CVE-2023-31794",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-31794",
    "summary": "MuPDF v1.21.1 was discovered to contain an infinite recursion in the component pdf_mark_list_push. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.",
    "evidence": "osv:CVE-2023-31794",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-31794",
      "aliases": [
        "CVE-2023-31794"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/artifexsoftware/mupdf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f39eee48564274635e231e2ab652221cce2ec1bd"
                },
                {
                  "last_affected": "f39eee48564274635e231e2ab652221cce2ec1bd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mupdf:1.21.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.21.1"
                      },
                      {
                        "last_affected": "1.21.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.21.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-31794.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.235522975Z",
      "provider": "osv",
      "references": [
        "https://bugs.ghostscript.com/show_bug.cgi?id=706506",
        "https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06",
        "https://git.ghostscript.com/?p=mupdf.git%3Bh=c0015401693b58e2deb5d75c39f27bc1216e47c6",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31794.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-31794"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31794.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-31794",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 519975,
  "published_at": "2023-10-31T00:00:00+00:00"
}