Security advisory

{
  "id": "c53d5e0ae2a482d05fc3909a2ce1c9a77f82b1fc9cdc5ea8cafed3020b46e3ce",
  "url": "https://osv.dev/vulnerability/CVE-2018-13794",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-13794",
    "summary": "A heap-based buffer overflow exists in stbi__bmp_load_cont in stb_image.h in catimg 2.4.0.",
    "evidence": "osv:CVE-2018-13794",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-13794",
      "aliases": [
        "CVE-2018-13794"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/posva/catimg",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "f6884b22fb725ac5158abfa89b2851c6ad16dc1d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:catimg_project:catimg:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.4.0",
            "v2.3.2",
            "v2.3.1",
            "2.3.1",
            "v2.3.0",
            "v2.2.2",
            "v2.2.1",
            "2.2",
            "2.1",
            "2.0",
            "1.1",
            "1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-13794.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:01.943953037Z",
      "provider": "osv",
      "references": [
        "https://github.com/posva/catimg/issues/34"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-13794",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381159,
  "published_at": "2018-07-09T21:29:00.377+00:00"
}