CVE-2026-19024 - HDF5 H5Pget_fill_value NULL Pointer Dereference via Malformed Fill Value Message

CVE-2026-19024 - HDF5 H5Pget_fill_value NULL Pointer Dereference via Malformed Fill Value Message

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/06/2026 - 01:09
CVE ID :CVE-2026-19024
Published : Aug. 5, 2026, 10:14 p.m. | 41 minutes ago
Description :NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.1.1 allows attackers to cause a denial of service via a dataset whose version 1 or 2 fill value message has the "defined" flag set together with a negative size field, which is not normalized to the library's "undefined" sentinel and reaches H5T_path_find with a NULL datatype.
Severity: 8.2 | HIGH
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