{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "6.0.5"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "392a658f9c271be965271f45e7521a1b80ea4392"
            }
          ],
          "repo": "https://github.com/assimp/assimp",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-476"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111128.json"
  },
  "details": "Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.",
  "id": "CVE-2026-111128",
  "modified": "2026-10-16T10:30:49.442412555Z",
  "published": "2026-10-15T18:57:24.175Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111128.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/assimp/assimp"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L621-L634"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/assimp/assimp/blob/392a658f9c271be965271f45e7521a1b80ea4392/code/AssetLib/Ogre/OgreStructs.cpp#L914-L921"
    },
    {
      "type": "ARTICLE",
      "url": "https://hackmd.io/@haind-pwn/assimp-ogre-mesh-bone-submesh-null-deref"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111128"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/assimp-through-6.0.5-null-pointer-dereference-via-ogre-importer-bone-assignment"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment"
}