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    "cveMetadata": {
        "cveId": "CVE-2026-19029",
        "assignerOrgId": "0253b833-3e77-4dfe-9d57-17db1a2f0a74",
        "state": "PUBLISHED",
        "assignerShortName": "HDFG",
        "dateReserved": "2026-08-05T22:14:42.476Z",
        "datePublished": "2026-10-06T20:01:36.340Z",
        "dateUpdated": "2026-10-07T16:05:28.833Z"
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                "dateUpdated": "2026-10-06T20:56:27.850Z"
            },
            "title": "HDF5 scale-offset filter heap buffer over-read via crafted chunk",
            "problemTypes": [
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                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-125",
                            "description": "CWE-125 Out-of-bounds read",
                            "type": "CWE"
                        }
                    ]
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            ],
            "affected": [
                {
                    "vendor": "The HDF Group",
                    "product": "HDF5",
                    "modules": [
                        "H5Z__filter_scaleoffset"
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                    "versions": [
                        {
                            "status": "affected",
                            "version": "< 2.2.0"
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                    "value": "A heap-based buffer over-read in H5Z__filter_scaleoffset() in src/H5Zscaleoffset.c in HDF5 through 2.2.0 lets an attacker cause a denial of service (application crash) with a crafted HDF5 file. When the stored minimum bits equal the full precision of the datatype, the decoder copies d_nelmts * size bytes from the compressed chunk without checking that the chunk holds that many bytes. Both values come from attacker-controlled scale-offset filter parameters in the dataset's filter pipeline message.",
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                            "value": "A heap-based buffer over-read in <code>H5Z__filter_scaleoffset()</code> in <code>src/H5Zscaleoffset.c</code> in HDF5 through 2.2.0 lets an attacker cause a denial of service (application crash) with a crafted HDF5 file. When the stored minimum bits equal the full precision of the datatype, the decoder copies <code>d_nelmts * size</code> bytes from the compressed chunk without checking that the chunk holds that many bytes. Both values come from attacker-controlled scale-offset filter parameters in the dataset's filter pipeline message.&nbsp;"
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            ],
            "references": [
                {
                    "url": "https://github.com/HDFGroup/hdf5/pull/6718"
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                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "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": 6.8,
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "mtholmquist",
                    "type": "reporter"
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            "source": {
                "discovery": "UNKNOWN"
            },
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            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-07T16:04:23.864171Z",
                                "id": "CVE-2026-19029",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
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                                "role": "CISA Coordinator",
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                "title": "CISA ADP Vulnrichment",
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-10-07T16:05:28.833Z"
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