18 lines
1 KiB
Markdown
18 lines
1 KiB
Markdown
# sklearn — CWE-407 deeper scan: no NEW defects (sklearn-0001 pre-existing)
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Scanned: 2026-03-30
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Pre-existing: sklearn-0001 (HistGradientBoosting `_check_categories` feature_names.index O(C×F))
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## Deeper scan scope
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- `sklearn/utils/graph.py` — `single_source_shortest_path_length`: uses `seen = {}` (dict), O(1). CLEAN.
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- `sklearn/pipeline.py` — `transformer_names = set(...)`, O(1). CLEAN.
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- `sklearn/feature_extraction/text.py` — `indices = set(vocabulary.values())`, O(1). CLEAN.
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- `sklearn/feature_extraction/_dict_vectorizer.py` — `vocab` is a dict, O(1). CLEAN.
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- `sklearn/externals/_arff.py` — `NominalConversor.values = set(values)`, O(1). CLEAN.
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- `sklearn/compose/_column_transformer.py` — `transformer_names` is a set. CLEAN.
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- `sklearn/metrics/_classification.py` — `present_labels` is numpy array; O(N) but bounded label set, not hot-path quadratic. CLEAN.
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- `sklearn/feature_selection/` — no list-dedup patterns in hot paths. CLEAN.
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No additional CWE-407 defects found beyond sklearn-0001.
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