vuln-cve/data/2026/92xxx/CVE-2026-92627.json

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    "dataType": "CVE_RECORD",
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    "cveMetadata": {
        "cveId": "CVE-2026-92627",
        "assignerOrgId": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
        "state": "PUBLISHED",
        "assignerShortName": "HDFG",
        "dateReserved": "2026-09-16T15:14:38.985Z",
        "datePublished": "2026-09-16T15:16:54.160Z",
        "dateUpdated": "2026-09-17T17:36:14.708Z"
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        "cna": {
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                "shortName": "HDFG",
                "dateUpdated": "2026-09-16T15:58:14.633Z"
            },
            "title": "Heap Use-After-Free in H5T__conv_f_f",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-416",
                            "description": "CWE-416 Use after free",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "The HDF Group",
                    "product": "HDF5",
                    "modules": [
                        "src/H5Tconv.c"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "< 1.14.2"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A heap-use-after-free vulnerability exists in H5T__conv_f_f() in src/H5Tconv.c in HDF5 before 1.14.2. When 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. This 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.",
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                            "value": "<p>A heap-use-after-free vulnerability exists in <code>H5T__conv_f_f()</code> in <code>src/H5Tconv.c</code> in HDF5 before 1.14.2.&nbsp;<span>When converting a compound datatype containing floating-point members during a dataset read</span><span>, a temporary buffer allocated with </span><code>calloc()</code><span> is freed and subsequently read from within the same conversion routine. An attacker who can supply a crafted HDF5 </span><span>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 </span><code>h5dump</code><span>.&nbsp;</span><span>This 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.</span></p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://pulsesecurity.co.nz/advisories/hdf5-memory-corruption"
                }
            ],
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                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "ACTIVE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 4.6,
                        "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"
                    }
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Denis Andzakovic",
                    "type": "reporter"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
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                    {
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-17T17:36:04.378638Z",
                                "id": "CVE-2026-92627",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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