{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.0.18"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cee2186ca75670f6c3d48a4b79c2b43a7134fba5"
            },
            {
              "fixed": "a536e3341c82517268b5ce32375b36faecb1fb40"
            },
            {
              "fixed": "d80c1790920a17e84da025675530624aee753f1b"
            }
          ],
          "repo": "https://github.com/containerd/overlaybd",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-190"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107446.json"
  },
  "details": "containerd overlaybd through 1.0.18 has a do_load_index (LSMT index loading) integer overflow (and resultant out-of-bounds heap access) for index_bytes, if an untrusted overlaybd blob from a registry is used in a scenario with multiple overlaybd-backed containers.",
  "id": "CVE-2026-107446",
  "modified": "2026-10-10T02:30:38.596078524Z",
  "published": "2026-10-08T03:37:19.484Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/image_file.cpp"
    },
    {
      "type": "WEB",
      "url": "https://github.com/containerd/overlaybd/blob/58f1508f4c841fe27da428f54d987000f7dae4de/src/overlaybd/lsmt/file.cpp"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107446.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107446"
    },
    {
      "type": "FIX",
      "url": "https://github.com/containerd/overlaybd/commit/a536e3341c82517268b5ce32375b36faecb1fb40"
    },
    {
      "type": "FIX",
      "url": "https://github.com/containerd/overlaybd/commit/d80c1790920a17e84da025675530624aee753f1b"
    },
    {
      "type": "FIX",
      "url": "https://github.com/containerd/overlaybd/pull/438"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/containerd/overlaybd"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}