CVE-2025-2913: Hdfgroup HDF5

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was found in HDF5 up to 1.14.6. It has been rated as critical. Affected by this issue is the function H5FL__blk_gc_list of the file src/H5FL.c. The manipulation of the argument H5FL_blk_head_t leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

• Hdfgroup HDF5: before 2.0.0 (fixed in 2.0.0)

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