CVE-2009-1904

Estado: ModificadaMedia (5)—
The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type.
CVSS

Versión: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Puntuación base: 5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 13%
Percentil entre todas las CVEs puntuadas: 96
Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)

Ruby-lang — Ruby
CWE

CWE-189
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2009-1904",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-06-11T21:30:00.217",
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=273213",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/55031",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://redmine.ruby-lang.org/issues/show/794",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35399",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35527",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35593",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35699",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/35937",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/37705",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200906-02.xml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.apple.com/kb/HT4077",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:160",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2009-1140.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ruby-forum.com/topic/189071",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/35278",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1022371",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-805-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1563",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.launchpad.net/bugs/385436",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.launchpad.net/bugs/cve/2009-1904",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51032",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=532689",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=273213",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://github.com/NZKoz/bigdecimal-segfault-fix/tree/master",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://groups.google.com/group/rubyonrails-security/msg/fad60751e2b9b4f6?dmode=source",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://mail-index.netbsd.org/pkgsrc-changes/2009/06/10/msg024708.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/55031",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://redmine.ruby-lang.org/issues/show/794",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35399",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35527",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35593",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35699",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35937",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/37705",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200906-02.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.430805",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT4077",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://weblog.rubyonrails.org/2009/6/10/dos-vulnerability-in-ruby/",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:160",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2009-1140.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ruby-forum.com/topic/189071",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35278",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1022371",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-805-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/1563",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/bugs/385436",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/bugs/cve/2009-1904",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51032",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9780",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.redhat.com/archives/fedora-package-announce/2009-December/msg00731.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The BigDecimal library in Ruby 1.8.6 before p369 and 1.8.7 before p173 allows context-dependent attackers to cause a denial of service (application crash) via a string argument that represents a large number, as demonstrated by an attempted conversion to the Float data type."
    },
    {
      "lang": "es",
      "value": "La librería BigDecimal en Ruby v1.8.6 anteriores p369 y v1.8.7, anteriores a p173 permite a los atacantes dependientes del contexto causar una denegación de servicio (caída de la aplicación) a través de un argumento de cadena de caracteres que representa un número largo, como se demuestra por un intento de conversión al tipo de dato Float."
    }
  ],
  "lastModified": "2026-06-16T23:08:19.730",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "876B2575-4F81-4A70-9A88-9BEE44649626"
            },
            {
              "criteria": "cpe:2.3:a:ruby-lang:ruby:1.8.7:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D86FC99-3521-4E22-8FD3-65CEB05A6342"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}