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CVE-2018-6100

Status: ModifiedMedium (6.5)—

Incorrect handling of confusable characters in URL Formatter in Google Chrome on macOS prior to 66.0.3359.117 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (5)

Debian — Debian LinuxGoogle — ChromeRedhat — Enterprise Linux DesktopRedhat — Enterprise Linux ServerRedhat — Enterprise Linux Workstation

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-6100",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "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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        "cvssData": {
          "scope": "UNCHANGED",
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "66.0.3359.117",
              "versionType": "custom"
            }
          ]
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      ]
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  ],
  "published": "2019-01-09T19:29:06.743",
  "references": [
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      "url": "http://www.securityfocus.com/bid/103917",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2018:1195",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://crbug.com/811117",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201804-22",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://www.debian.org/security/2018/dsa-4182",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/103917",
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    {
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    {
      "url": "https://security.gentoo.org/glsa/201804-22",
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    {
      "url": "https://www.debian.org/security/2018/dsa-4182",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-19"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incorrect handling of confusable characters in URL Formatter in Google Chrome on macOS prior to 66.0.3359.117 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name."
    },
    {
      "lang": "es",
      "value": "Aplicación insuficiente de caracteres confundibles en URL Formatter en Google Chrome, en versiones anteriores a la 66.0.3359.117 para macOS, permitía que un atacante remoto suplantase dominios mediante homogramas IDN mediante un nombre de dominio manipulado."
    }
  ],
  "lastModified": "2026-06-17T02:01:19.810",
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              "versionEndExcluding": "66.0.3359.117"
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    {
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  "sourceIdentifier": "chrome-cve-admin@google.com"
}