Open Asset Import Library Assimp Malformed File MD2Loader.cpp InternReadFile stack-based overflow

{
  "id": "9f2907b4c778342b7532caa4270eda990ad1964dca33adb33b7e4dcc3b9cb989",
  "url": "https://osv.dev/vulnerability/CVE-2025-3196",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Open Asset Import Library Assimp Malformed File MD2Loader.cpp InternReadFile stack-based overflow",
    "summary": "A vulnerability, which was classified as critical, was found in Open Asset Import Library Assimp 5.4.3. Affected is the function Assimp::MD2Importer::InternReadFile in the library code/AssetLib/MD2/MD2Loader.cpp of the component Malformed File Handler. The manipulation of the argument Name leads to stack-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component.",
    "evidence": "osv:CVE-2025-3196",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-3196",
      "aliases": [
        "CVE-2025-3196",
        "PYSEC-2025-170"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/assimp/assimp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c35200e38ea8f058812b83de2ef32c6093b0ece2"
                },
                {
                  "last_affected": "c35200e38ea8f058812b83de2ef32c6093b0ece2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.4.3"
                      },
                      {
                        "last_affected": "5.4.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:assimp:assimp:5.4.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.4.3"
                      },
                      {
                        "last_affected": "5.4.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.4.3",
            "v5.4.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-3196.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.710696622Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3196.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-3196",
        "https://vuldb.com/?id.303150",
        "https://vuldb.com/?submit.545368",
        "https://github.com/assimp/assimp/issues/6069",
        "https://github.com/assimp/assimp/issues/6069#issuecomment-2763273425",
        "https://vuldb.com/?ctiid.303150",
        "https://github.com/assimp/assimp/milestone/11"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-121"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/3xxx/CVE-2025-3196.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-3196",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490035,
  "published_at": "2025-04-04T01:00:12.961+00:00"
}