GHSA-4XQQ-M2HX-25V8

Vulnerability from github – Published: 2024-07-16 19:49 – Updated: 2025-11-03 22:47
VLAI?
Summary
REXML denial of service vulnerability
Details

Impact

The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as <, 0 and %>.

If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.

Patches

The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities.

Workarounds

Don't parse untrusted XMLs.

References

  • https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability
  • https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908/
Severity ?
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "rexml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-39908"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-07-16T19:49:15Z",
    "nvd_published_at": "2024-07-16T18:15:08Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nThe REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `\u003c`, `0` and `%\u003e`.\n\nIf you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.\n\n### Patches\n\nThe REXML gem 3.3.2 or later include the patches to fix these vulnerabilities.\n\n### Workarounds\n\nDon\u0027t parse untrusted XMLs.\n\n### References\n\n* https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability\n* https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908/",
  "id": "GHSA-4xqq-m2hx-25v8",
  "modified": "2025-11-03T22:47:12Z",
  "published": "2024-07-16T19:49:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39908"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ruby/rexml"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ruby/rexml/releases/tag/v3.3.2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-39908.yml"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00011.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20250117-0008"
    },
    {
      "type": "WEB",
      "url": "https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
      "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 denial of service vulnerability"
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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