CVE-2026-106547: HDF5 1.10.0 to before 2.2.0

Affected technology

HDF5 · 1.10.0 to before 2.2.0
The HDF Group

Description’s affected range: before 2.2.0 lets a remote attacker cause an application crash and possibly execute arbitrary code with a crafted HDF5 file

Component: H5VM_array_fill

Attack conditions (Source advisory, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

The source reports that an attacker could run attacker-chosen code under the conditions described by the source. Source advisory’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality, integrity and availability impact as high.