{"id":"CVE-2017-14158","aliases":["GHSA-h7wm-ph43-c39p","PYSEC-2017-83"],"url":"https://o3.security/vulnerability/CVE-2017-14158","summary":"Scrapy denial of service vulnerability","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.","published":"2017-09-05T17:29:00.230Z","modified":"2026-07-08T10:55:00.391775Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02573,"percentile":0.84416,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"PyPI","name":"scrapy","fixedVersion":null}],"fix":null,"references":[{"type":"REPORT","url":"https://github.com/scrapy/scrapy/issues/482"},{"type":"EVIDENCE","url":"http://blog.csdn.net/wangtua/article/details/75228728"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T10:55:00.391775Z"}}