UNKNOWN READ in aiMesh::~aiMesh

{
  "id": "14b67f359c9534bf8db022d501c57547d6e43634baaebb0bd6b7a1919f881867",
  "url": "https://osv.dev/vulnerability/OSV-2026-933",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UNKNOWN READ in aiMesh::~aiMesh",
    "summary": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=524387782 ``` Crash type: UNKNOWN READ Crash state: aiMesh::~aiMesh Assimp::ASEImporter::InternReadFile Assimp::BaseImporter::ReadFile ```",
    "evidence": "osv:OSV-2026-933",
    "products": [
      {
        "name": {
          "value": "assimp",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "OSV-2026-933",
      "aliases": [
        "OSV-2026-933"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/assimp/assimp.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "71b00a5df3fb0237b0e4afeda42a1059ebc80bac"
                },
                {
                  "fixed": "3e9c4e1d38a8cf4cbc63513e0f23a58f70833e49"
                }
              ]
            }
          ],
          "package": {
            "name": "assimp",
            "purl": "pkg:generic/assimp",
            "ecosystem": "OSS-Fuzz"
          },
          "database_specific": {
            "source": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/assimp/OSV-2026-933.yaml",
            "fixed_range": "f6ee58e2489f3cbaee328655599f50c5c386a08e:3e9c4e1d38a8cf4cbc63513e0f23a58f70833e49",
            "introduced_range": "b3c7df74198c8c165a0a8c24088a8fe2a8528afc:0a343958b1f413dae1c97e91b676609826721d33"
          },
          "ecosystem_specific": {
            "severity": "MEDIUM"
          }
        }
      ],
      "modified": "2026-10-14T15:32:56.628226Z",
      "provider": "osv",
      "references": [
        "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=524387782"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 316423,
  "published_at": "2026-06-17T00:20:06.745068+00:00"
}