CVE-2024-33874: Hdfgroup HDF5

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

HDF5 Library through 1.14.3 has a heap buffer overflow in H5O__mtime_new_encode in H5Omtime.c.

Affected products

• Hdfgroup HDF5: before 1.14.4 (fixed in 1.14.4)

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