CVE-2026-17573

{
  "id": "CVE-2026-17573",
  "sourceIdentifier": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
  "published": "2026-07-27T16:17:04.807",
  "lastModified": "2026-10-24T13:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A double free vulnerability was discovered in the HDF5 library. Processing a crafted HDF5 file containing an oversized chunk size field via h5repack may cause the application to abort due to a double free."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de doble liberación fue descubierta en la biblioteca HDF5. Procesar un archivo HDF5 manipulado que contiene un campo de tamaño de fragmento sobredimensionado a través de h5repack puede causar que la aplicación aborte debido a una doble liberación."
    }
  ],
  "affected": [
    {
      "source": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
      "affectedData": [
        {
          "vendor": "The HDF Group",
          "product": "HDF5",
          "defaultStatus": "unaffected",
          "platforms": [
            "Linux"
          ],
          "versions": [
            {
              "version": "<= 2.1.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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        "type": "Secondary",
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          "baseScore": 4.0,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "userInteraction": "ACTIVE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
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    "cvssMetricV31": [
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-27T17:26:40.305274Z",
          "id": "CVE-2026-17573",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
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          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "https://github.com/HDFGroup/hdf5/issues/6124",
      "source": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/HDFGroup/hdf5/issues/6124",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
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  ]
}