GHSA-C2F4-JGMC-Q2R5

Vulnerability from github – Published: 2025-09-17 18:26 – Updated: 2025-09-19 14:41
VLAI
Summary
REXML has DoS condition when parsing malformed XML file
Details

Impact

The REXML gems from 3.3.3 to 3.4.1 have a DoS vulnerability when parsing XML containing multiple XML declarations. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.

Patches

REXML gems 3.4.2 or later include the patches to fix these vulnerabilities.

Workarounds

Don't parse untrusted XMLs.

References

  • https://www.ruby-lang.org/en/news/2025/09/18/dos-rexml-cve-2025-58767/ : An announcement on www.ruby-lang.org
Severity
1.2 (Low)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.4.1"
      },
      "package": {
        "ecosystem": "RubyGems",
        "name": "rexml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.3"
            },
            {
              "fixed": "3.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-58767"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-776"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-17T18:26:48Z",
    "nvd_published_at": "2025-09-17T18:15:52Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nThe REXML gems from 3.3.3 to 3.4.1 have a DoS vulnerability when parsing XML containing multiple XML declarations.\nIf you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.\n\n### Patches\n\nREXML gems 3.4.2 or later include the patches to fix these vulnerabilities.\n\n### Workarounds\n\nDon\u0027t parse untrusted XMLs.\n\n### References\n\n* https://www.ruby-lang.org/en/news/2025/09/18/dos-rexml-cve-2025-58767/ : An announcement on www.ruby-lang.org",
  "id": "GHSA-c2f4-jgmc-q2r5",
  "modified": "2025-09-19T14:41:30Z",
  "published": "2025-09-17T18:26:48Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/security/advisories/GHSA-c2f4-jgmc-q2r5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58767"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/commit/5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ruby/rexml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2025-58767.yml"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2025/09/18/dos-rexml-cve-2025-58767"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U",
      "type": "CVSS_V4"
    }
  ],
  "summary": "REXML has DoS condition when parsing malformed XML file"
}



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