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CVE-2016-4489

Estado: ModificadaMedia (5.5)—

Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to the "demangling of virtual tables."

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 (1)

GNU — Libiberty

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-4489",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
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    "cvssMetricV30": [
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
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  "published": "2017-02-24T20:59:00.470",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2016/05/05/5",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
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      "url": "http://www.securityfocus.com/bid/90017",
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      "url": "https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70492",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to the \"demangling of virtual tables.\""
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en la función gnu_special en libiberty permite a atacantes remotos provocar una denegación de servicio (error de segmentación y caída) a través de un binario manipulado, relacionado con el \"desmantelamiento de tablas virtuales\"."
    }
  ],
  "lastModified": "2026-06-17T00:47:39.430",
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  "sourceIdentifier": "cve@mitre.org"
}