CVE-2024-32615: Hdfgroup HDF5

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

HDF5 Library through 1.14.3 contains a heap-based buffer overflow in H5Z__nbit_decompress_one_byte in H5Znbit.c, caused by the earlier use of an initialized pointer.

Affected products

• Hdfgroup HDF5: before 1.14.4 (fixed in 1.14.4)

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