CVE-2007-6438

Status: ModifiedMedium (5)—
Unspecified vulnerability in the SMB dissector in Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service via unknown vectors. NOTE: this identifier originally included MP3 and NCP, but those issues are already covered by CVE-2007-6111.
CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Base score: 5
Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 2.00%
Percentile among all scored CVEs: 80
Score date: 10/10/2026
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)

Wireshark — Wireshark
CWEs

CWE-119, NVD-CWE-noinfo
References

Raw JSON (NVD)

Show
{
  "id": "CVE-2007-6438",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-12-19T22:46:00.000",
  "references": [
    {
      "url": "http://bugs.gentoo.org/show_bug.cgi?id=199958",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00008.html",
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    },
    {
      "url": "http://secunia.com/advisories/27777",
      "tags": [
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    {
      "url": "http://secunia.com/advisories/28288",
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    {
      "url": "http://secunia.com/advisories/28304",
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    {
      "url": "http://secunia.com/advisories/28325",
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    {
      "url": "http://security.gentoo.org/glsa/glsa-200712-23.xml",
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      "url": "http://www.securityfocus.com/archive/1/485792/100/0/threaded",
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    {
      "url": "http://www.securityfocus.com/bid/27071",
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    {
      "url": "http://www.wireshark.org/security/wnpa-sec-2007-03.html",
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    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/39178",
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    {
      "url": "https://issues.rpath.com/browse/RPL-1975",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        },
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unspecified vulnerability in the SMB dissector in Wireshark (formerly Ethereal) 0.99.6 allows remote attackers to cause a denial of service via unknown vectors.  NOTE: this identifier originally included MP3 and NCP, but those issues are already covered by CVE-2007-6111."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad no especificada en el disector del SMB en Wireshark (anteriormente Ethereal) versión 0.99.6, permite a los atacantes remotos causar una denegación de servicio por medio de vectores de ataque desconocidos. NOTA: este identificador originalmente incluía MP3 y NCP, pero esos problemas ya están cubiertos por CVE-2007-6111."
    }
  ],
  "lastModified": "2026-06-16T22:48:05.293",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:wireshark:wireshark:0.99.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BB52B779-7A2D-43E0-9F12-C65053002EBC"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}