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CVE-2021-21156

Estado: ModificadaAlta (8.8)—

Un desbordamiento del búfer de la pila en V8 en Google Chrome versiones anteriores a 88.0.4324.182, permitía a un atacante remoto explotar potencialmente una corrupción de la pila por medio de un script diseñado

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 (2)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-21156",
  "cveTags": [],
  "metrics": {
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
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        "impactScore": 6.4,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
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        "impactScore": 5.9,
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  "affected": [
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      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
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  "published": "2021-02-22T22:15:12.867",
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      "source": "chrome-cve-admin@google.com"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted script."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento del búfer de la pila en V8 en Google Chrome versiones anteriores a 88.0.4324.182, permitía a un atacante remoto explotar potencialmente una corrupción de la pila por medio de un script diseñado"
    }
  ],
  "lastModified": "2026-06-17T03:34:55.837",
  "configurations": [
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}