CVE-2026-120755

HDF5 through 2.2.0 contains an out-of-bounds read vulnerability in H5Zfilterszip in src/H5Zszip.c. When decoding a szip-compressed chunk, the function subtracts the 4-byte uncompressed-length header from the chunk length without first verifying that the chunk is at least 4 bytes long. A truncated...