GHSA-5866-49GR-22V4

Vulnerability from github – Published: 2024-08-02 12:33 – Updated: 2025-11-03 22:47
VLAI?
Summary
REXML DoS vulnerability
Details

Impact

The REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.

If you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability.

Patches

The REXML gem 3.3.3 or later include the patch to fix the vulnerability.

Workarounds

Don't parse untrusted XMLs with SAX2 or pull parser API.

References

  • https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability
  • https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rexml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-41946"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-08-02T12:33:15Z",
    "nvd_published_at": "2024-08-01T15:15:14Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nThe REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.\n\nIf you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability.\n\n### Patches\n\nThe REXML gem 3.3.3 or later include the patch to fix the vulnerability.\n\n### Workarounds\n\nDon\u0027t parse untrusted XMLs with SAX2 or pull parser API.\n\n### References\n\n* https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability\n* https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org",
  "id": "GHSA-5866-49gr-22v4",
  "modified": "2025-11-03T22:47:32Z",
  "published": "2024-08-02T12:33:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/security/advisories/GHSA-5866-49gr-22v4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41946"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/commit/033d1909a8f259d5a7c53681bcaf14f13bcf0368"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ruby/rexml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-41946.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20250117-0007"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "REXML DoS vulnerability"
}


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  • 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.
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  • 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.



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