{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-92627",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T17:36:04.378638Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-17T17:36:14.708Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "src/H5Tconv.c"
          ],
          "product": "HDF5",
          "vendor": "The HDF Group",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.14.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Denis Andzakovic"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "\u003cp\u003eA heap-use-after-free vulnerability exists in \u003ccode\u003eH5T__conv_f_f()\u003c/code\u003e in \u003ccode\u003esrc/H5Tconv.c\u003c/code\u003e in HDF5 before 1.14.2.\u0026nbsp;\u003cspan\u003eWhen converting a compound datatype containing floating-point members during a dataset read\u003c/span\u003e\u003cspan\u003e, a temporary buffer allocated with \u003c/span\u003e\u003ccode\u003ecalloc()\u003c/code\u003e\u003cspan\u003e is freed and subsequently read from within the same conversion routine. An attacker who can supply a crafted HDF5 \u003c/span\u003e\u003cspan\u003efile containing a specially constructed compound datatype can trigger the use-after-free when the file is parsed by an application that reads the affected dataset, such as \u003c/span\u003e\u003ccode\u003eh5dump\u003c/code\u003e\u003cspan\u003e.\u0026nbsp;\u003c/span\u003e\u003cspan\u003eThis can result in a crash and, depending on heap layout and allocator behavior, may be exploitable for further memory corruption up to remote code execution.\u003c/span\u003e\u003c/p\u003e"
            }
          ],
          "value": "A heap-use-after-free vulnerability exists in H5T__conv_f_f() in src/H5Tconv.c in HDF5 before 1.14.2.\u00a0When converting a compound datatype containing floating-point members during a dataset read, a temporary buffer allocated with calloc() is freed and subsequently read from within the same conversion routine. An attacker who can supply a crafted HDF5 file containing a specially constructed compound datatype can trigger the use-after-free when the file is parsed by an application that reads the affected dataset, such as h5dump.\u00a0This can result in a crash and, depending on heap layout and allocator behavior, may be exploitable for further memory corruption up to remote code execution."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use after free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T15:58:14.633Z",
        "orgId": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
        "shortName": "HDFG"
      },
      "references": [
        {
          "url": "https://pulsesecurity.co.nz/advisories/hdf5-memory-corruption"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Heap Use-After-Free in H5T__conv_f_f",
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  "cveMetadata": {
    "assignerOrgId": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
    "assignerShortName": "HDFG",
    "cveId": "CVE-2026-92627",
    "datePublished": "2026-09-16T15:16:54.160Z",
    "dateReserved": "2026-09-16T15:14:38.985Z",
    "dateUpdated": "2026-09-17T17:36:14.708Z",
    "state": "PUBLISHED"
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}