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CVE-2022-2621

Estado: ModificadaAlta (8.8)—

Un uso de la memoria previamente liberada en Extensions en Google Chrome versiones anteriores a 104.0.5112.79, permitía a un atacante que convenciera a un usuario de instalar una extensión maliciosa explotar potencialmente la corrupción de la pila por medio de interacciones de Interfaz de Usuario específicas.

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)

Fedoraproject — FedoraGoogle — Chrome

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-2621",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "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",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "104.0.5112.79",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-08-12T20:15:09.360",
  "references": [
    {
      "url": "https://chromereleases.googleblog.com/2022/08/stable-channel-update-for-desktop.html",
      "tags": [
        "Release Notes"
      ],
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://crbug.com/1323449",
      "tags": [
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        "Issue Tracking",
        "Mailing List",
        "Vendor Advisory"
      ],
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/",
      "tags": [
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      ],
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/202208-35",
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      "source": "chrome-cve-admin@google.com"
    },
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        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4NMJURTG5RO3TGD7ZMIQ6Z4ZZ3SAVYE/",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/202208-35",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use after free in Extensions in Google Chrome prior to 104.0.5112.79 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via specific UI interactions."
    },
    {
      "lang": "es",
      "value": "Un uso de la memoria previamente liberada en Extensions en Google Chrome versiones anteriores a 104.0.5112.79, permitía a un atacante que convenciera a un usuario de instalar una extensión maliciosa explotar potencialmente la corrupción de la pila por medio de interacciones de Interfaz de Usuario específicas."
    }
  ],
  "lastModified": "2026-06-17T04:42:13.797",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "F6D91985-7B58-466C-824B-6658D70D21D4",
              "versionEndExcluding": "104.0.5112.79"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            }
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  ],
  "sourceIdentifier": "chrome-cve-admin@google.com"
}