VULNERABILITY INTELLIGENCE
CVE-2026-19024
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-08-05
Last modified2026-10-23
Description
NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.3.0 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.
Weakness classification
- 0253b833-3e77-4dfe-9d57-17db1a2f0a74: CWE-476