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CVE-2015-3763

Status: ModifiedMedium (4.3)—

Safari in Apple iOS before 8.4.1 does not limit the rate of JavaScript alert messages, which allows remote attackers to cause a denial of service (apparent browser locking) via a crafted web site.

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 (1)

Apple — Iphone OS

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2015-3763",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "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": "2015-08-16T23:59:36.580",
  "references": [
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/76337",
      "source": "product-security@apple.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1033275",
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/kb/HT205030",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/76337",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033275",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/kb/HT205030",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-19"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Safari in Apple iOS before 8.4.1 does not limit the rate of JavaScript alert messages, which allows remote attackers to cause a denial of service (apparent browser locking) via a crafted web site."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en Safari en Apple iOS en versiones anteriores a 8.4.1, no limita la velocidad de los mensajes de alerta de JavaScript, lo que permite a atacantes remotos causar una denegación de servicio (bloqueo aparente del navegador) a través de sitios web manipulados."
    }
  ],
  "lastModified": "2026-06-17T00:26:14.953",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0D52ECBD-7375-4FC9-BE05-2354EEA1332F",
              "versionEndIncluding": "8.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}