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brew-scrapy-cve-2024-1892
Vulnerability from osv_homebrew
Published
2026-08-13 17:34
Modified
2026-09-11 17:10
Summary
ReDoS Vulnerability in scrapy/scrapy's XMLFeedSpider
Details

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.

Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2.11.1"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "scrapy",
        "purl": "pkg:brew/scrapy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.17.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "git",
    "upstream_evidence": [
      {
        "ecosystem": "GIT",
        "key": "https://github.com/scrapy/scrapy",
        "name": "https://github.com/scrapy/scrapy",
        "strategy": "git",
        "subject_version": "2.19.0"
      },
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/scrapy@2.19.0",
        "name": "scrapy",
        "strategy": "registry",
        "subject_version": "2.19.0"
      },
      {
        "ecosystem": "Debian",
        "key": "Debian/python-scrapy",
        "name": "python-scrapy",
        "strategy": "distro"
      },
      {
        "ecosystem": "GIT",
        "key": "upstream:https://github.com/scrapy/scrapy",
        "name": "https://github.com/scrapy/scrapy",
        "strategy": "distro",
        "subject_version": "2.19.0"
      },
      {
        "ecosystem": "PyPI",
        "key": "upstream:pkg:pypi/scrapy@2.19.0",
        "name": "scrapy",
        "strategy": "distro",
        "subject_version": "2.19.0"
      },
      {
        "ecosystem": "Ubuntu",
        "key": "Ubuntu/python-scrapy",
        "name": "python-scrapy",
        "strategy": "distro"
      }
    ]
  },
  "details": "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.",
  "id": "BREW-scrapy-CVE-2024-1892",
  "modified": "2026-09-11T17:10:11Z",
  "published": "2026-08-13T17:34:19Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://huntr.com/bounties/271f94f2-1e05-4616-ac43-41752389e26b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1892.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-1892"
    },
    {
      "type": "FIX",
      "url": "https://github.com/scrapy/scrapy/commit/479619b340f197a8f24c5db45bc068fb8755f2c5"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ReDoS Vulnerability in scrapy/scrapy\u0027s XMLFeedSpider",
  "upstream": [
    "CVE-2024-1892",
    "GHSA-cc65-xxvf-f7r9",
    "PYSEC-2024-162"
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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