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CVE-2004-0837

Estado: ModificadaBaja (2.6)—

MySQL 4 anteriores a 4.0.21 y 3.x anteriores a 3.23.49 permiten a atacantes causar una denegación de servicio (caída o cuelgue) mediante múltiples hilos de ejecución que alterán simultaneamente UNIONes de tablas MERGE.

CVSS

Probabilidad de explotación (EPSS)

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 (3)

Debian — Debian LinuxMysql — MysqlOracle — Mysql

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2004-0837",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "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": "2004-11-03T05:00:00.000",
  "references": [
    {
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        "Vendor Advisory"
      ],
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    },
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    },
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    {
      "url": "http://www.debian.org/security/2004/dsa-562",
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    {
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    {
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    {
      "url": "http://www.securityfocus.com/bid/11357",
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    },
    {
      "url": "http://www.trustix.org/errata/2004/0054/",
      "tags": [
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    },
    {
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        "VDB Entry"
      ],
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    },
    {
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        "Vendor Advisory"
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    },
    {
      "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000892",
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    },
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    },
    {
      "url": "http://lists.mysql.com/internals/16173",
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        "Vendor Advisory"
      ],
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    },
    {
      "url": "http://lists.mysql.com/internals/16174",
      "tags": [
        "Vendor Advisory"
      ],
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    },
    {
      "url": "http://marc.info/?l=bugtraq&m=110140517515735&w=2",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://mysql.bkbits.net:8080/mysql-3.23/diffs/myisammrg/myrg_open.c%401.15",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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    {
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      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://www.trustix.org/errata/2004/0054/",
      "tags": [
        "Broken Link"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/17667",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs."
    },
    {
      "lang": "es",
      "value": "MySQL 4 anteriores a 4.0.21 y 3.x anteriores a 3.23.49 permiten a atacantes causar una denegación de servicio (caída o cuelgue) mediante múltiples hilos de ejecución que alterán simultaneamente UNIONes de tablas MERGE."
    }
  ],
  "lastModified": "2026-06-16T22:06:29.390",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
            {
              "criteria": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B4E0733B-5C1C-4579-9FD2-251E45E8D93F",
              "versionEndExcluding": "3.23.49",
              "versionStartIncluding": "3.20"
            },
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              "vulnerable": true,
              "matchCriteriaId": "E9CB33C2-B487-4DC3-A7F4-4A9D61EA12FD",
              "versionEndExcluding": "4.0.21",
              "versionStartIncluding": "4.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
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  "sourceIdentifier": "cve@mitre.org"
}