CVE-2006-4146

Estado: ModificadaMedia (5.1)—
Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging code in GNU Debugger (GDB) 6.5 allows user-assisted attackers, or restricted users, to execute arbitrary code via a crafted file with a location block (DW_FORM_block) that contains a large number of operations.
CVSS

Versión: 2.0
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
Puntuación base: 5.1
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.49%
Percentil entre todas las CVEs puntuadas: 89
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)

GNU — GDB
CWE

CWE-119
Referencias

JSON original (NVD)

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{
  "id": "CVE-2006-4146",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-08-31T22:04:00.000",
  "references": [
    {
      "url": "ftp://patches.sgi.com/support/free/security/advisories/20070602-01-P.asc",
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      "url": "http://docs.info.apple.com/article.html?artnum=304669",
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      "url": "http://lists.apple.com/archives/security-announce/2006/Oct/msg00000.html",
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      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html",
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      "url": "http://www.osvdb.org/28318",
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      "url": "http://www.redhat.com/support/errata/RHSA-2007-0229.html",
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      "url": "http://www.redhat.com/support/errata/RHSA-2007-0469.html",
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      "url": "http://www.securityfocus.com/bid/19802",
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    {
      "url": "http://www.ubuntu.com/usn/usn-356-1",
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      "url": "http://www.vupen.com/english/advisories/2006/3433",
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      "url": "ftp://patches.sgi.com/support/free/security/advisories/20070602-01-P.asc",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://docs.info.apple.com/article.html?artnum=304669",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2006/Oct/msg00000.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://secunia.com/advisories/25632",
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      "url": "http://secunia.com/advisories/25894",
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      "url": "http://securitytracker.com/id?1017138",
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      "url": "http://support.avaya.com/elmodocs2/security/ASA-2007-253.htm",
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    {
      "url": "http://www.osvdb.org/28318",
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    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0229.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0469.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/19802",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://www.ubuntu.com/usn/usn-356-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.vupen.com/english/advisories/2007/3229",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204841",
      "tags": [
        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10463",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the (1) DWARF (dwarfread.c) and (2) DWARF2 (dwarf2read.c) debugging code in GNU Debugger (GDB) 6.5 allows user-assisted attackers, or restricted users, to execute arbitrary code via a crafted file with a location block (DW_FORM_block) that contains a large number of operations."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en el código de depuración (1) DWARF (dwarfread.c) y (2) DWARF2 (dwarf2read.c) en GNU Debugger (GDB) 6.5 permite a atacantes con la intervención del usuario, o a usuarios restringidos, ejecutar código de su elección mediante un archivo creado artesanalmente con un bloque de posición (DW_FORM_block) que contenga un gran número de operaciones."
    }
  ],
  "lastModified": "2026-06-16T22:28:31.083",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:gdb:6.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3AF78BF4-DAE9-4BA2-8146-0DAABEBFB9B1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Updates to address this issue are available for Red Hat Enterprise Linux 3 and 4:\nhttps://rhn.redhat.com/cve/CVE-2006-4146.html\n\nRed Hat Enterprise Linux 5 was not vulnerable to this issue as it contained a backported patch.",
      "lastModified": "2009-06-01T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}