CVE-2025-2926: Hdfgroup HDF5

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in HDF5 up to 1.14.6 and classified as problematic. This issue affects the function H5O__cache_chk_serialize of the file src/H5Ocache.c. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

• Hdfgroup HDF5: up to and including 1.14.6

Published 2025-03-28. Last modified 2026-06-17.