{"cve":"CVE-2017-14158","nvd":{"published":"2017-09-05T17:29:00.230","modified":"2026-06-17T01:05:41.753","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["http://blog.csdn.net/wangtua/article/details/75228728","https://github.com/scrapy/scrapy/issues/482","http://blog.csdn.net/wangtua/article/details/75228728","https://github.com/scrapy/scrapy/issues/482"],"products":["scrapy:scrapy"],"source":"nvd","synced_at":"2026-10-19T20:46:01.145313090+00:00"},"epss":{"cve":"CVE-2017-14158","score":0.02605,"percentile":0.85383,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-h7wm-ph43-c39p","url":"https://osv.dev/vulnerability/GHSA-h7wm-ph43-c39p","summary":"Scrapy denial of service vulnerability","modified":"2026-05-20T22:30:15.617954227Z","packages":[{"ecosystem":"PyPI","name":"scrapy","purl":"pkg:pypi/scrapy","ranges":[">=0.7 <=2.15.2"],"fixed":[]}]},{"id":"PYSEC-2017-83","url":"https://osv.dev/vulnerability/PYSEC-2017-83","summary":"","modified":"2025-10-09T05:30:09.620373Z","packages":[{"ecosystem":"PyPI","name":"scrapy","purl":"pkg:pypi/scrapy","ranges":[">=0.7"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}