Security advisory

{
  "id": "52771a13eaae58ef4067d28bd36c638940edbad0a5759f94bfe3ac155202a9f3",
  "url": "https://osv.dev/vulnerability/CVE-2018-6187",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-6187",
    "summary": "In Artifex MuPDF 1.12.0, there is a heap-based buffer overflow vulnerability in the do_pdf_save_document function in the pdf/pdf-write.c file. Remote attackers could leverage the vulnerability to cause a denial of service via a crafted pdf file.",
    "evidence": "osv:CVE-2018-6187",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-6187",
      "aliases": [
        "CVE-2018-6187"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/artifexsoftware/mupdf",
              "type": "GIT",
              "events": [
                {
                  "introduced": "26006b55f02c8d0a4a90ffedb45f724798052ef2"
                },
                {
                  "last_affected": "26006b55f02c8d0a4a90ffedb45f724798052ef2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:artifex:mupdf:1.12.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.12.0"
                      },
                      {
                        "last_affected": "1.12.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.12.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6187.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:20.829229036Z",
      "provider": "osv",
      "references": [
        "https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=3e30fbb7bf5efd88df431e366492356e7eb969ec",
        "https://security.gentoo.org/glsa/201811-15",
        "https://www.debian.org/security/2018/dsa-4334",
        "https://bugs.ghostscript.com/show_bug.cgi?id=698908"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-6187",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430349,
  "published_at": "2018-01-24T10:29:01.097+00:00"
}