Security advisory

{
  "id": "3385d6cb49de5794e15a71b000f1b70a8e891c9f96095322737fa761b7ac1eb4",
  "url": "https://osv.dev/vulnerability/CVE-2018-12112",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-12112",
    "summary": "md_build_attribute in md4c.c in md4c 0.2.6 allows remote attackers to cause a denial of service (Segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.",
    "evidence": "osv:CVE-2018-12112",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-12112",
      "aliases": [
        "CVE-2018-12112"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mity/md4c",
              "type": "GIT",
              "events": [
                {
                  "introduced": "cb7ecd713593acef78f2698f6c5a5a59a2745b6f"
                },
                {
                  "last_affected": "cb7ecd713593acef78f2698f6c5a5a59a2745b6f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:md4c_project:md4c:0.2.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.2.6"
                      },
                      {
                        "last_affected": "0.2.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.2.6",
            "release-0.2.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12112.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:00.395075347Z",
      "provider": "osv",
      "references": [
        "https://github.com/mity/md4c/issues/42"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-12112",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381136,
  "published_at": "2018-06-11T14:29:00.213+00:00"
}