nipy nibabel Header volumeutils.py array_from_file memory allocation

{
  "id": "bc1a261175934acc846461df00182a757457b8c88e4abe45ffd8b6581c4c8f60",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-118590",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "nipy nibabel Header volumeutils.py array_from_file memory allocation",
    "summary": "A security vulnerability has been detected in nipy nibabel up to 5.4.2. The affected element is the function array_from_file of the file nibabel/volumeutils.py of the component Header Handler. The manipulation leads to uncontrolled memory allocation. The attack is possible to be carried out remotely. The pull request to fix this issue awaits acceptance.",
    "evidence": "cve:CVE-2026-118590",
    "products": [
      {
        "name": {
          "value": "nibabel",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-118590",
      "aliases": [
        "CVE-2026-118590"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:nipy:nibabel:*:*:*:*:*:*:*:*"
          ],
          "vendor": "nipy",
          "modules": [
            "Header Handler"
          ],
          "product": "nibabel",
          "versions": [
            {
              "status": "affected",
              "version": "5.4.0"
            },
            {
              "status": "affected",
              "version": "5.4.1"
            },
            {
              "status": "affected",
              "version": "5.4.2"
            }
          ]
        }
      ],
      "modified": "2026-10-29T00:00:21.707Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/428028",
        "https://vuldb.com/vuln/428028/cti",
        "https://vuldb.com/cve/CVE-2026-118590",
        "https://vuldb.com/submit/1026208",
        "https://github.com/nipy/nibabel/issues/1566",
        "https://github.com/nipy/nibabel/pull/1587",
        "https://github.com/nipy/nibabel/"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
          "shortName": "VulDB",
          "dateUpdated": "2026-10-29T00:00:21.707Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-118590",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 514424,
  "published_at": "2026-10-29T00:00:21.707+00:00"
}