{"schema_version":1,"title":"Hdfgroup HDF5 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 9 vulnerabilities in Hdfgroup HDF5: 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-92627, was published on 16 September 2026.","url":"https://junglewise.ai/threats/technologies/hdf5","json_url":"https://junglewise.ai/threats/technologies/hdf5.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/hdf5","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":2,"all_time":9,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":6,"last_365_days":9},"latest":[{"cve":"CVE-2026-92627","cvss":7.5,"epss":0.0023,"slug":"cve-2026-92627-hdf5-heap-use-after-free-in-floating-point-datatype-conversion","title":"HDF5 heap-use-after-free in floating-point datatype conversion","severity":"info","exploited":false,"published_at":"2026-09-16T16:17:23.993+00:00","url":"https://junglewise.ai/threats/cve-2026-92627-hdf5-heap-use-after-free-in-floating-point-datatype-conversion"},{"cve":"CVE-2026-17574","cvss":5.2,"slug":"cve-2026-17574-the-hdf-group-hdf5-null-pointer-dereference-in-h5o-dtype-decode","title":"The HDF Group HDF5 NULL pointer dereference in H5O__dtype_decode_helper","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.943+00:00","url":"https://junglewise.ai/threats/cve-2026-17574-the-hdf-group-hdf5-null-pointer-dereference-in-h5o-dtype-decode"},{"cve":"CVE-2026-17573","cvss":6.7,"slug":"cve-2026-17573-the-hdf-group-hdf5-double-free-in-h5repack","title":"The HDF Group HDF5 double free in h5repack","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.807+00:00","url":"https://junglewise.ai/threats/cve-2026-17573-the-hdf-group-hdf5-double-free-in-h5repack"},{"cve":"CVE-2026-17572","cvss":5.5,"slug":"cve-2026-17572-the-hdf-group-hdf5-heap-buffer-overflow-in-sohm-list-index","title":"The HDF Group HDF5 heap buffer overflow in SOHM list-index deserialization","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.66+00:00","url":"https://junglewise.ai/threats/cve-2026-17572-the-hdf-group-hdf5-heap-buffer-overflow-in-sohm-list-index"},{"cve":"CVE-2026-26199","cvss":5.9,"slug":"cve-2026-26199-hdfgroup-hdf5-buffer-underflow-in-h5iget-name","title":"HDFGroup HDF5 buffer underflow in H5Iget_name","severity":"info","exploited":false,"published_at":"2026-07-20T16:16:57.55+00:00","url":"https://junglewise.ai/threats/cve-2026-26199-hdfgroup-hdf5-buffer-underflow-in-h5iget-name"},{"cve":"CVE-2026-26197","cvss":5.9,"slug":"cve-2026-26197-hdfgroup-hdf5-out-of-bounds-read-in-h5odtype-c","title":"HDFGroup HDF5 out-of-bounds read in H5Odtype.c","severity":"info","exploited":false,"published_at":"2026-07-20T16:16:57.4+00:00","url":"https://junglewise.ai/threats/cve-2026-26197-hdfgroup-hdf5-out-of-bounds-read-in-h5odtype-c"},{"cve":"CVE-2026-29043","cvss":5.5,"slug":"cve-2026-29043-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-ref-mem-setnull","title":"HDFGroup HDF5 heap buffer overflow in H5T__ref_mem_setnull","severity":"medium","exploited":false,"published_at":"2026-04-10T16:16:30.693+00:00","url":"https://junglewise.ai/threats/cve-2026-29043-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-ref-mem-setnull"},{"cve":"CVE-2026-34734","cvss":7.8,"epss":0.0018,"slug":"cve-2026-34734-hdfgroup-hdf5-heap-use-after-free-in-h5dump-utility","title":"HDFGroup HDF5 heap use-after-free in h5dump utility","severity":"high","exploited":false,"published_at":"2026-04-09T20:16:25.437+00:00","url":"https://junglewise.ai/threats/cve-2026-34734-hdfgroup-hdf5-heap-use-after-free-in-h5dump-utility"},{"cve":"CVE-2026-26200","cvss":7.8,"epss":0.0023,"slug":"cve-2026-26200-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-conv-struct-opt","title":"HDFGroup HDF5 heap buffer overflow in H5T__conv_struct_opt","severity":"high","exploited":false,"published_at":"2026-02-19T20:25:42.61+00:00","url":"https://junglewise.ai/threats/cve-2026-26200-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-conv-struct-opt"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Hdfgroup HDF5","slug":"hdf5","vendor":{"name":"Hdfgroup","slug":"hdfgroup","url":"https://junglewise.ai/threats/vendors/hdfgroup"},"aliases":[],"category":"library","homepage":"https://www.hdfgroup.org/solutions/hdf5/","repo_url":"https://github.com/HDFGroup/hdf5","description":"A high-performance data management and storage suite for complex data.","url":"https://junglewise.ai/threats/technologies/hdf5"},"most_severe":[{"cve":"CVE-2026-26200","cvss":7.8,"epss":0.0023,"slug":"cve-2026-26200-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-conv-struct-opt","title":"HDFGroup HDF5 heap buffer overflow in H5T__conv_struct_opt","severity":"high","exploited":false,"published_at":"2026-02-19T20:25:42.61+00:00","url":"https://junglewise.ai/threats/cve-2026-26200-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-conv-struct-opt"},{"cve":"CVE-2026-34734","cvss":7.8,"epss":0.0018,"slug":"cve-2026-34734-hdfgroup-hdf5-heap-use-after-free-in-h5dump-utility","title":"HDFGroup HDF5 heap use-after-free in h5dump utility","severity":"high","exploited":false,"published_at":"2026-04-09T20:16:25.437+00:00","url":"https://junglewise.ai/threats/cve-2026-34734-hdfgroup-hdf5-heap-use-after-free-in-h5dump-utility"},{"cve":"CVE-2026-29043","cvss":5.5,"slug":"cve-2026-29043-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-ref-mem-setnull","title":"HDFGroup HDF5 heap buffer overflow in H5T__ref_mem_setnull","severity":"medium","exploited":false,"published_at":"2026-04-10T16:16:30.693+00:00","url":"https://junglewise.ai/threats/cve-2026-29043-hdfgroup-hdf5-heap-buffer-overflow-in-h5t-ref-mem-setnull"},{"cve":"CVE-2026-92627","cvss":7.5,"epss":0.0023,"slug":"cve-2026-92627-hdf5-heap-use-after-free-in-floating-point-datatype-conversion","title":"HDF5 heap-use-after-free in floating-point datatype conversion","severity":"info","exploited":false,"published_at":"2026-09-16T16:17:23.993+00:00","url":"https://junglewise.ai/threats/cve-2026-92627-hdf5-heap-use-after-free-in-floating-point-datatype-conversion"},{"cve":"CVE-2026-17573","cvss":6.7,"slug":"cve-2026-17573-the-hdf-group-hdf5-double-free-in-h5repack","title":"The HDF Group HDF5 double free in h5repack","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.807+00:00","url":"https://junglewise.ai/threats/cve-2026-17573-the-hdf-group-hdf5-double-free-in-h5repack"},{"cve":"CVE-2026-26199","cvss":5.9,"slug":"cve-2026-26199-hdfgroup-hdf5-buffer-underflow-in-h5iget-name","title":"HDFGroup HDF5 buffer underflow in H5Iget_name","severity":"info","exploited":false,"published_at":"2026-07-20T16:16:57.55+00:00","url":"https://junglewise.ai/threats/cve-2026-26199-hdfgroup-hdf5-buffer-underflow-in-h5iget-name"},{"cve":"CVE-2026-26197","cvss":5.9,"slug":"cve-2026-26197-hdfgroup-hdf5-out-of-bounds-read-in-h5odtype-c","title":"HDFGroup HDF5 out-of-bounds read in H5Odtype.c","severity":"info","exploited":false,"published_at":"2026-07-20T16:16:57.4+00:00","url":"https://junglewise.ai/threats/cve-2026-26197-hdfgroup-hdf5-out-of-bounds-read-in-h5odtype-c"},{"cve":"CVE-2026-17572","cvss":5.5,"slug":"cve-2026-17572-the-hdf-group-hdf5-heap-buffer-overflow-in-sohm-list-index","title":"The HDF Group HDF5 heap buffer overflow in SOHM list-index deserialization","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.66+00:00","url":"https://junglewise.ai/threats/cve-2026-17572-the-hdf-group-hdf5-heap-buffer-overflow-in-sohm-list-index"},{"cve":"CVE-2026-17574","cvss":5.2,"slug":"cve-2026-17574-the-hdf-group-hdf5-null-pointer-dereference-in-h5o-dtype-decode","title":"The HDF Group HDF5 NULL pointer dereference in H5O__dtype_decode_helper","severity":"info","exploited":false,"published_at":"2026-07-27T16:17:04.943+00:00","url":"https://junglewise.ai/threats/cve-2026-17574-the-hdf-group-hdf5-null-pointer-dereference-in-h5o-dtype-decode"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}