CVE-2024-33877: Hdfgroup HDF5

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

HDF5 Library through 1.14.3 has a heap-based buffer overflow in H5T__conv_struct_opt in H5Tconv.c.

Affected products

• Hdfgroup HDF5: before 1.14.4 (fixed in 1.14.4)

Published 2024-05-14. Last modified 2026-06-17.