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CVE-2021-21143

Estado: ModificadaAlta (8.8)—

Un desbordamiento del búfer de la pila en Extensions en Google Chrome versiones anteriores a 88.0.4324.146, permitía a un atacante que convenció a un usuario de instalar una extensión maliciosa explotar potencialmente una corrupción de la pila por medio de una Extensión de Chrome diseñada

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-2021-21143",
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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",
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  "affected": [
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      "affectedData": [
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  "published": "2021-02-09T15:15:13.597",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-787"
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  "descriptions": [
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      "lang": "en",
      "value": "Heap buffer overflow in Extensions in Google Chrome prior to 88.0.4324.146 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension."
    },
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      "lang": "es",
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    }
  ],
  "lastModified": "2026-06-17T03:34:54.293",
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