CVE-2026-19029

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{"bugzilla": {"description": "hdf5: HDF5: Denial of Service via crafted file in scale-offset filter", "id": "2547140", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547140"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["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.", "A flaw was found in HDF5. When decompressing data using the scale-offset filter, the library fails to verify whether a compressed data chunk is large enough before reading from it. An attacker could exploit this vulnerability by enticing a user or service to process a specially crafted HDF5 file, triggering an out-of-bounds memory read that results in an application crash and Denial of Service (DoS)."], "name": "CVE-2026-19029", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "hdf5", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-06T20:01:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-19029\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-19029\nhttps://github.com/HDFGroup/hdf5/pull/6718"], "threat_severity": "Moderate"}

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