CVE-2006-3740

Estado: ModificadaAlta (7.2)—
Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted (1) CMap and (2) CIDFont font data with modified item counts in the (a) begincodespacerange, (b) cidrange, and (c) notdefrange sections.
CVSS

Versión: 2.0
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Puntuación base: 7.2
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.52%
Percentil entre todas las CVEs puntuadas: 42
Fecha de la puntuación: 5/10/2026
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 (2)

X.org — X.org Xfree86 Project — Xfree86 X
CWE

NVD-CWE-Other
Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2006-3740",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": true,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-09-13T01:07:00.000",
  "references": [
    {
      "url": "http://secunia.com/advisories/21864",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21889",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21890",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21894",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21900",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21904",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21908",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21924",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/22080",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/22141",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/22332",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/22560",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/23033",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/23899",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/23907",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/24636",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200609-07.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://securitytracker.com/id?1016828",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-102780-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-190.htm",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-191.htm",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2006/dsa-1193",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.idefense.com/intelligence/vulnerabilities/display.php?id=411",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:164",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2006_23_sr.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2006-0665.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2006-0666.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/445812/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/464268/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/19974",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-344-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3581",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3582",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/0322",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1171",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28890",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-614",
      "source": "secalert@redhat.com"
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    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9454",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/21864",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21889",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21890",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21894",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21900",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21904",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21908",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/21924",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/22080",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/22141",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/22332",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/22560",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/23033",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/23899",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/23907",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/24636",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200609-07.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securitytracker.com/id?1016828",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-102780-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-190.htm",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2006-191.htm",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2006/dsa-1193",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.idefense.com/intelligence/vulnerabilities/display.php?id=411",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:164",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2006_23_sr.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2006-0665.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2006-0666.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/445812/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/464268/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/19974",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-344-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3581",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/3582",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/0322",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1171",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/28890",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://issues.rpath.com/browse/RPL-614",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9454",
      "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": "Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted (1) CMap and (2) CIDFont font data with modified item counts in the (a) begincodespacerange, (b) cidrange, and (c) notdefrange sections."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en la función scan_cidfont en X.Org 6.8.2 and XFree86 X server , permite a un usuario local ejecutar código de su elección a través de la fuentes de datos(1) CMap y (2)CIDFont con contadores modificados en las secciones  (a) begincodespacerange, (b) cidrange, y (c) notdefrange"
    }
  ],
  "lastModified": "2026-06-16T22:27:42.517",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:x.org:x.org:6.8.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F86D1247-A4A5-4868-9A58-1905E34240A5"
            },
            {
              "criteria": "cpe:2.3:a:xfree86_project:xfree86_x:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7C7695FA-5B00-4175-88A8-B71091E4653A"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}