CVE-2026-26199 | HDFGroup HDF5 up to 1.14.6 H5Iget_name size buffer overflow

A vulnerability was found in HDFGroup HDF5 up to 1.14.6. It has been classified as critical. Affected by this issue is some unknown functionality of the component H5Iget_name. This manipulation of the argument size causes buffer overflow.

This vulnerability appears as CVE-2026-26199. The attack may be initiated remotely. There is no available exploit.