Security advisory

{
  "id": "59ddcd1bc65ea0412da8a9b25353918f69bb79891a1b0b57d9569c44907bf5e2",
  "url": "https://osv.dev/vulnerability/CVE-2018-11363",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11363",
    "summary": "jpeg_size in pdfgen.c in PDFGen before 2018-04-09 has a heap-based buffer over-read.",
    "evidence": "osv:CVE-2018-11363",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-11363",
      "aliases": [
        "CVE-2018-11363"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/andrerenaud/pdfgen",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "ee58aff6918b8bbc3be29b9e3089485ea46ff956"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "ee58aff6918b8bbc3be29b9e3089485ea46ff956"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11363.json",
            "vanir_signatures": [
              {
                "id": "CVE-2018-11363-0fc7fdf9",
                "digest": {
                  "length": 858,
                  "function_hash": "296565118698955457968840627053867975154"
                },
                "source": "https://github.com/andrerenaud/pdfgen/commit/ee58aff6918b8bbc3be29b9e3089485ea46ff956",
                "target": {
                  "file": "pdfgen.c",
                  "function": "jpeg_size"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2018-11363-21c082b5",
                "digest": {
                  "threshold": 0.9,
                  "line_hashes": [
                    "10729798222043191928687827641956424710",
                    "103533735537934029155551682107611710690",
                    "202247736226332639457650039492104315400",
                    "236210157759659927160675851227448508510"
                  ]
                },
                "source": "https://github.com/andrerenaud/pdfgen/commit/ee58aff6918b8bbc3be29b9e3089485ea46ff956",
                "target": {
                  "file": "pdfgen.c"
                },
                "deprecated": false,
                "signature_type": "Line",
                "signature_version": "v1"
              }
            ],
            "vanir_signatures_modified": "2026-10-20T13:28:17Z"
          }
        }
      ],
      "modified": "2026-10-20T13:28:17.891963769Z",
      "provider": "osv",
      "references": [
        "https://github.com/AndreRenaud/PDFGen/commit/ee58aff6918b8bbc3be29b9e3089485ea46ff956",
        "https://github.com/ChijinZ/security_advisories/tree/master/PDFgen-206ef1b"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:pdfgen:pdfgen:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "pdfgen:pdfgen",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2018-04-09"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2018-04-09"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-11363",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387713,
  "published_at": "2018-05-22T04:29:00.217+00:00"
}