Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow

{
  "id": "acd900a668ceb935c457a24f902885e4f1986c2e28b35d4ad49ece1d5ce48376",
  "url": "https://osv.dev/vulnerability/CVE-2025-15666",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Open Asset Import Library Assimp Model File SceneCombiner.cpp Copy heap-based overflow",
    "summary": "A security vulnerability has been detected in Open Asset Import Library Assimp up to 5.4.3. Affected by this vulnerability is the function Assimp::SceneCombiner::Copy of the file code/Common/SceneCombiner.cpp of the component Model File Handler. Such manipulation of the argument width/height leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. This and similar defects are tracked and handled via issue #6128.",
    "evidence": "osv:CVE-2025-15666",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-15666",
      "aliases": [
        "CVE-2025-15666"
      ],
      "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": "8b9ed34eaa3e6ad24254cb7e058fb9150f66b865"
                },
                {
                  "last_affected": "c35200e38ea8f058812b83de2ef32c6093b0ece2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.4.0"
                      },
                      {
                        "last_affected": "5.4.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.4.1"
                      },
                      {
                        "last_affected": "5.4.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.4.2"
                      },
                      {
                        "last_affected": "5.4.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.4.3"
                      },
                      {
                        "last_affected": "5.4.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.4.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.4.0",
            "5.4.1",
            "5.4.2",
            "5.4.3",
            "v5.4.3",
            "v5.4.2",
            "v5.4.1",
            "v5.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-15666.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.065044824Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15666.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-15666",
        "https://vuldb.com/cve/CVE-2025-15666",
        "https://vuldb.com/submit/844487",
        "https://vuldb.com/vuln/374595",
        "https://github.com/assimp/assimp/issues/6079",
        "https://vuldb.com/vuln/374595/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-119",
          "CWE-122"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15666.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-15666",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491428,
  "published_at": "2026-07-01T05:45:06.959+00:00"
}