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Security Advisories: GSA_kwCzR0hTQS03YzlnLXZqOW0tOHBtNs4AA5jX

Duplicate Advisory: ReDos vulnerability of XMLFeedSpider

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-cc65-xxvf-f7r9. This link is maintained to preserve external references.

Original Description

Parts of the Scrapy API were found to be vulnerable to a ReDoS attack. Handling a malicious response could cause extreme CPU and memory usage during the parsing of its content, due to the use of vulnerable regular expressions for that parsing.

Permalink: https://github.com/advisories/GHSA-7c9g-vj9m-8pm6
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS03YzlnLXZqOW0tOHBtNs4AA5jX
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: 3 months ago
Updated: about 1 month ago

Widthdrawn: about 1 month ago

CVSS Score: 7.5
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-7c9g-vj9m-8pm6
References: Repository: https://github.com/scrapy/scrapy
Blast Radius: 25.8

Affected Packages

pypi:scrapy
Dependent packages: 136
Dependent repositories: 2,753
Downloads: 1,538,370 last month
Affected Version Ranges: < 1.8.4, >= 2, < 2.11.1
Fixed in: 1.8.4, 2.11.1
All affected versions: 0.14.1, 0.14.2, 0.14.3, 0.14.4, 0.16.0, 0.16.1, 0.16.2, 0.16.3, 0.16.4, 0.16.5, 0.18.0, 0.18.1, 0.18.2, 0.18.3, 0.18.4, 0.20.0, 0.20.1, 0.20.2, 0.22.0, 0.22.1, 0.22.2, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.24.4, 0.24.5, 0.24.6, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.4.0, 1.5.0, 1.5.1, 1.5.2, 1.6.0, 1.7.0, 1.7.1, 1.7.2, 1.7.3, 1.7.4, 1.8.0, 1.8.1, 1.8.2, 1.8.3, 2.0.0, 2.0.1, 2.1.0, 2.2.0, 2.2.1, 2.3.0, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.6.0, 2.6.1, 2.6.2, 2.6.3, 2.7.0, 2.7.1, 2.8.0, 2.9.0, 2.10.0, 2.10.1, 2.11.0
All unaffected versions: 1.8.4, 2.11.1, 2.11.2