{
 "item_id": "ker-tract_len",
 "kernel": "tract_len",
 "advisory": "RUSTSEC-2026-0217",
 "crate": "tract-nnef",
 "pre_version": "0.21.15",
 "post_version": "0.21.16",
 "advisory_url": "https://github.com/sonos/tract/commit/34c7df2c9bd2a36583e09b52f3e6319bf23102e8",
 "title": "Integer overflow in tract-nnef NNEF tensor parser leads to out-of-bounds read on model load",
 "source_file": "src/tensors.rs",
 "function": "tensor_len_ok",
 "signature": "pub fn tensor_len_ok(dims: &[usize], bits_per_item: usize, data_size_bytes: usize) -> bool",
 "spec_doc": "NNEF tensor header consistency: true iff prod(dims) * (bits_per_item / 8) == data_size_bytes in exact arithmetic (false if the product does not fit usize).",
 "bug_class": "overflow",
 "fidelity": "verbatim_logic",
 "extraction_note": "src/tensors.rs read_tensor: unchecked shape product",
 "witness_args": "&[4294967296usize, 4294967296], 8usize, 0usize",
 "labels": {
  "buggy": "tract-nnef@0.21.15",
  "reference": "tract-nnef@0.21.16"
 }
}