CVE-2025-44904: Hdfgroup HDF5

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

hdf5 v1.14.6 was discovered to contain a heap buffer overflow via the H5VM_memcpyvv function.

Affected products

• Hdfgroup HDF5: version 1.14.6 only

Published 2025-05-30. Last modified 2026-06-17.