{"id":"CVE-2017-14158","details":"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.","aliases":["GHSA-h7wm-ph43-c39p","PYSEC-2017-83"],"modified":"2026-07-08T10:55:00.391775Z","published":"2017-09-05T17:29:00.230Z","references":[{"type":"REPORT","url":"https://github.com/scrapy/scrapy/issues/482"},{"type":"EVIDENCE","url":"http://blog.csdn.net/wangtua/article/details/75228728"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/scrapy/scrapy","events":[{"introduced":"5f69ec98f70e1e1e5f65fb36eb1cfb23d0be5b45"},{"last_affected":"5f69ec98f70e1e1e5f65fb36eb1cfb23d0be5b45"}],"database_specific":{"cpe":"cpe:2.3:a:scrapy:scrapy:1.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.4"},{"last_affected":"1.4"}],"source":"CPE_STRING"}}],"versions":["1.4","1.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14158.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}