CVE-2010-0053

Status: ModifiedHigh (9.3)—
Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the run-in Cascading Style Sheets (CSS) display property.
CVSS

Version: 2.0
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Base score: 9.3
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 6.05%
Percentile among all scored CVEs: 93
Score date: 10/9/2026
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 (1)

Apple — Safari
CWEs

CWE-399
References

Raw JSON (NVD)

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{
  "id": "CVE-2010-0053",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-03-15T14:15:32.167",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041383.html",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041432.html",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041436.html",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://osvdb.org/62948",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://secunia.com/advisories/41856",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://secunia.com/advisories/43068",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/kb/HT4070",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://support.apple.com/kb/HT4225",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:039",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/38671",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1023708",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1006-1",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2722",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0212",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0552",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7323",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041383.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041432.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041436.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://osvdb.org/62948",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/41856",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/43068",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT4070",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.apple.com/kb/HT4225",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:039",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/38671",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1023708",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1006-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2010/2722",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0212",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2011/0552",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7323",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via vectors related to the run-in Cascading Style Sheets (CSS) display property."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso después de la liberación en WebKit de Apple Safari anterior a la v4.0.5, permite a atacantes remotos ejecutar código de su elección o provocar una denegación de servicio (caída de la aplicación) a través de vectores relacionados con la propiedad de run-in de visualizar las Hojas de Estilo en Cascada -Cascading Style Sheets, CSS-"
    }
  ],
  "lastModified": "2026-06-16T23:15:21.273",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B1816CD6-0159-4684-A54D-94866D3FE570",
              "versionEndIncluding": "4.0.4"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BDA6DB4-A0DA-43CA-AABD-10EEEEB28EAB"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0:beta:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9DC87F61-3463-468A-BF0B-070816BBC3CA"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "02EAC196-AE43-4787-9AF9-E79E2E1BBA46"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B2FD40E4-D4C9-492E-8432-ABC9BD2C7E67"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "36EA71E0-63F7-46FF-AF11-792741F27628"
            },
            {
              "criteria": "cpe:2.3:a:apple:safari:4.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "80E36485-565D-4FAA-A6AD-57DF42D47462"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "Per: http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html\r\n\r\nCVE-ID:  CVE-2010-0053\r\nAvailable for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,\r\nMac OS X v10.5.8, Mac OS X Server v10.5.8,\r\nMac OS X v10.6.1 or later, Mac OS X Server v10.6.1 or later,\r\nWindows 7, Vista, XP\r\nImpact:  Visiting a maliciously crafted website may lead to an\r\nunexpected application termination or arbitrary code execution\r\nDescription:  A use-after-free issue exists in the rendering of\r\ncontent with a CSS display property set to 'run-in'. Visiting a\r\nmaliciously crafted website may lead to an unexpected application\r\ntermination or arbitrary code execution. This issue is addressed\r\nthrough improved memory reference tracking. Credit to wushi of\r\nteam509, working with TippingPoint's Zero Day Initiative for\r\nreporting this issue.",
  "sourceIdentifier": "product-security@apple.com"
}