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CVE-2006-3945

Status: ModifiedMedium (5)—

The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption.

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)

Opera — Opera Browser

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2006-3945",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  ],
  "published": "2006-07-31T23:04:00.000",
  "references": [
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-787"
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      "value": "The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption."
    },
    {
      "lang": "es",
      "value": "La funcionalidad CSS en Opera 9 en Windows XP SP2 permite a atacantes remotos provocar una denegación de servicio (caída) estableciendo la propiedad background de un elemento DHTML con una URL http o https larga, lo cual provoca una corrupción de memoria."
    }
  ],
  "lastModified": "2026-06-16T22:28:07.933",
  "configurations": [
    {
      "nodes": [
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  "sourceIdentifier": "cve@mitre.org",
  "evaluatorSolution": "This vulnerability may be addressed in the following product update:\r\nOpera Software, Opera Web Browser , 9.01"
}