{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:nschloe:meshio:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "VTK Reader"
          ],
          "product": "meshio",
          "vendor": "nschloe",
          "versions": [
            {
              "status": "affected",
              "version": "5.3.0"
            },
            {
              "status": "affected",
              "version": "5.3.1"
            },
            {
              "status": "affected",
              "version": "5.3.2"
            },
            {
              "status": "affected",
              "version": "5.3.3"
            },
            {
              "status": "affected",
              "version": "5.3.4"
            },
            {
              "status": "affected",
              "version": "5.3.5"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mohammedix88 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in nschloe meshio up to 5.3.5. Impacted is an unknown function of the file meshio/_vtk_42.py of the component VTK Reader. Executing a manipulation of the argument DIMENSIONS can lead to uncontrolled memory allocation. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "metrics": [
        {
          "cvssV4_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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_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",
            "version": "3.1"
          }
        },
        {
          "cvssV3_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",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5,
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "Uncontrolled Memory Allocation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T23:45:18.675Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-428027 | nschloe meshio VTK Reader _vtk_42.py memory allocation",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/428027"
        },
        {
          "name": "VDB-428027 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/428027/cti"
        },
        {
          "name": "CVE-2026-118589 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-118589"
        },
        {
          "name": "Submit #1026207 | nschloe meshio 5.3.5 Uncontrolled Memory Allocation",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/1026207"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/nschloe/meshio/issues/1576"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/nschloe/meshio/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-10-28T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-10-28T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-28T17:22:21.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "nschloe meshio VTK Reader _vtk_42.py memory allocation",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-118589",
    "datePublished": "2026-10-28T23:45:18.675Z",
    "dateReserved": "2026-10-28T16:17:16.147Z",
    "dateUpdated": "2026-10-28T23:45:18.675Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}