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BlobExtractorZip resolved each zip entry name against the target directory and wrote it without checking containment, so an entry name with `..` segments could write outside the target directory. Normalize the resolved path and skip any entry that would land outside the target root. Adds BlobExtractorZipSpec.
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BlobExtractorZip resolved each zip entry name against the target directory and wrote it without checking containment, so an entry name with
..segments could write outside the target directory. Normalize the resolved path and skip any entry that would land outside the target root.Adds BlobExtractorZipSpec.