BREW-ASCIIDOCTOR-CVE-202… (GHSA-5866-49GR-22V4)

Vulnerability from osv_homebrew – Published: 2026-08-13 16:36 – Updated: 2026-10-07 23:57 – Source website
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
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": null,
        "range_state": "affected",
        "resource": "rexml",
        "resource_purl": "pkg:gem/rexml@3.2.6",
        "upstream_fixed_in": "3.3.3"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "asciidoctor",
        "purl": "pkg:brew/asciidoctor"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "RubyGems",
        "key": "pkg:gem/rexml@3.2.6",
        "name": "rexml",
        "resource": "rexml",
        "strategy": "registry",
        "subject_version": "3.2.6"
      }
    ]
  },
  "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": "BREW-asciidoctor-CVE-2024-41946",
  "modified": "2026-10-07T23:57:26Z",
  "published": "2026-08-13T16:36:07Z",
  "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": "1.7.3",
  "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",
  "upstream": [
    "GHSA-5866-49gr-22v4",
    "CVE-2024-41946"
  ]
}



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