Scrapy 1.4 allows remote attackers to cause a denial of service (memory consumption) via large files because arbitrarily many files are read into memory, which is especially problematic if the files are then individually written in a separate thread to a slow storage resource, as demonstrated by interaction between dataReceived (in core/downloader/handlers/http11.py) and S3FilesStore.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| scrapy(PyPI) | 0.7 | N/A | N/A |
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