CVE-2003-0469

Status: ModifiedHigh (7.5)—💥 Exploit

Buffer overflow in the HTML Converter (HTML32.cnv) on various Windows operating systems allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via cut-and-paste operation, as demonstrated in Internet Explorer 5.0 using a long "align" argument in an HR tag.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 45%
Percentile among all scored CVEs: 99
Score date: 10/6/2026

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).

💥 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.

Published on Exploit-DB · Microsoft Windows XP/2000/NT 4.0 - HTML Converter HR Align Buffer Overflow (6/23/2003)

Affected technologies (7)

Microsoft — Windows 2000 Microsoft — Windows 2003 Server Microsoft — Windows 98 Microsoft — Windows 98se Microsoft — Windows ME Microsoft — Windows NT Microsoft — Windows XP

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2003-0469",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2003-08-07T04:00:00.000",
  "references": [
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006155.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2003-June/006067.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=105639925122961&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cert.org/advisories/CA-2003-14.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/823260",
      "tags": [
        "US Government Resource"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/8016",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-023",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006155.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.grok.org.uk/pipermail/full-disclosure/2003-June/006067.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://marc.info/?l=bugtraq&m=105639925122961&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cert.org/advisories/CA-2003-14.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.kb.cert.org/vuls/id/823260",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/8016",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-023",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in the HTML Converter (HTML32.cnv) on various Windows operating systems allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via cut-and-paste operation, as demonstrated in Internet Explorer 5.0 using a long \"align\" argument in an HR tag."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en el Convertidor HTML (HTML32.cnv) de varios sistemas operativos Windows, permite a atacantes remotos causar una denegación de servicio (caída) y posiblemente ejecutar código arbitrario mediante una operación de cortar-y-pegar, como se ha demostrado en Internet Explorer 5.0 usando un arguemento \"align\" larga en una etiqueta HR."
    }
  ],
  "lastModified": "2026-06-16T22:02:15.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E545C63-FE9C-4CA1-AF0F-D999D84D2AFD"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2003_server:64-bit:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D2CA1674-A8A0-479A-9D80-344D3C563A24"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4E7FD818-322D-4089-A644-360C33943D29"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_98:*:gold:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2D3B703C-79B2-4FA2-9E12-713AB977A880"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_98se:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AA733AD2-D948-46A0-A063-D29081A56F1F"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "799DA395-C7F8-477C-8BC7-5B4B88FB7503"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7C5FCE82-1E2F-49B9-B504-8C03F2BCF296"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6E7E6AD3-5418-4FEA-84B5-833059CA880D"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "91D6D065-A28D-49DA-B7F4-38421FF86498"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "580B0C9B-DD85-40FA-9D37-BAC0C96D57FC"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}