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CVE-2003-0113

Status: ModifiedHigh (7.5)—💥 Exploit

Buffer overflow in URLMON.DLL in Microsoft Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to execute arbitrary code via an HTTP response containing long values in (1) Content-type and (2) Content-encoding fields.

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).

💥 Public exploits

Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.

Affected technologies (2)

Microsoft — IEMicrosoft — Internet Explorer

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2003-0113",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": true,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "affected": [
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          "versions": [
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  ],
  "published": "2003-05-12T04:00:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=bugtraq&m=105138417416900&w=2",
      "source": "cve@mitre.org"
    },
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    },
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      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-015",
      "source": "cve@mitre.org"
    },
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "NVD-CWE-Other"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in URLMON.DLL in Microsoft Internet Explorer 5.01, 5.5 and 6.0 allows remote attackers to execute arbitrary code via an HTTP response containing long values in (1) Content-type and (2) Content-encoding fields."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en URLMON.DLL en Microsoft Internet Explorer 5.01, 5.5 y 6.0 permite a atacantes remotos ejecutar código arbitrario mediante una respuesta HTTP conteniendo valores largos en ciertos campos de cabecera."
    }
  ],
  "lastModified": "2026-06-16T22:01:34.107",
  "configurations": [
    {
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        {
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}