CVE-2024-1892

ReDoS Vulnerability in scrapy/scrapy's XMLFeedSpider

Published Feb 28, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A Regular Expression Denial of Service (ReDoS) vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker can cause a denial-of-service (DoS) condition. This vulnerability allows for the system to hang and consume significant resources, potentially rendering services that utilize Scrapy for XML processing unresponsive.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-0162 A Regular Expression Denial of Service (ReDoS) vulnerability exists in the XMLFeedSpider class of the scrapy/scrapy project, specifically in the parsing of XML content. By crafting malicious XML content that exploits inefficient regular expression complexity used in the parsing process, an attacker can cause a denial-of-service (DoS) condition. This vulnerability allows for the system to hang and consume significant resources, potentially rendering services that utilize Scrapy for XML processing unresponsive.
Github GHSA Github GHSA GHSA-cc65-xxvf-f7r9 Scrapy vulnerable to ReDoS via XMLFeedSpider
Ubuntu USN Ubuntu USN USN-7476-1 Scrapy vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00093}

epss

{'score': 0.00084}

Type Values Removed Values Added
First Time appeared Scrapy
Scrapy scrapy
CPEs cpe:2.3:a:scrapy:scrapy:*:*:*:*:*:*:*:*
Vendors & Products Scrapy
Scrapy scrapy
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
@huntr_ai
Published
Updated
Aug 11, 2024, 2:28 PM
Reserved
Feb 26, 2024, 3:14 PM
Status
Analyzed
Published
Feb 28, 2024, 12:15 AM
Modified
Jun 17, 2026, 7:05 AM