CVE-2026-19027 | HDF Group HDF5 up to 2.3.0 N-Bit Filter H5Znbit.c out-of-bounds (EUVD-2026-53678)

A vulnerability labeled as . This affects the function H5Z__nbit_decompress_one_byte/H5Z__nbit_decompress_one_nooptype/H5Z__nbit_decompress_one_atomic of the file H5Znbit.c of the component N-Bit Filter. Such manipulation leads to out-of-bounds read.

This vulnerability is listed as CVE-2026-19027. The attack may be performed from remote. There is no available exploit.