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CVE-2006-0047

Status: ModifiedMedium (5)—💥 Exploit

packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of service (server crash) via crafted packets with negative compressed size values.

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 (1)

Freeciv — Freeciv

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2006-0047",
  "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": "security@debian.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2006-03-07T11:02:00.000",
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355211",
      "source": "security@debian.org"
    },
    {
      "url": "http://secunia.com/advisories/19120",
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        "Patch",
        "Vendor Advisory"
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      "source": "security@debian.org"
    },
    {
      "url": "http://secunia.com/advisories/19227",
      "tags": [
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      "source": "security@debian.org"
    },
    {
      "url": "http://secunia.com/advisories/19253",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@debian.org"
    },
    {
      "url": "http://www.debian.org/security/2006/dsa-994",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200603-11.xml",
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    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:053",
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    },
    {
      "url": "http://www.securityfocus.com/archive/1/426866/100/0/threaded",
      "source": "security@debian.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/16975",
      "tags": [
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      "source": "security@debian.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/0838",
      "tags": [
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      "source": "security@debian.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25166",
      "source": "security@debian.org"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355211",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/19120",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2006/dsa-994",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.gentoo.org/security/en/glsa/glsa-200603-11.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:053",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/426866/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/16975",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2006/0838",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/25166",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of service (server crash) via crafted packets with negative compressed size values."
    }
  ],
  "lastModified": "2026-06-16T22:19:47.300",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C27677F6-958B-44D9-8BA6-08FEEA38805E"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "44FC502B-8903-42AD-A67F-3D634423A5E5"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F565EA22-E732-4E30-8714-D2A4B86FB924"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7B6A80BD-16CF-4B6E-8B25-EE1714CF5B5A"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "70C10017-E80C-49C6-9C15-0577804720F6"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.5:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CF8D4D10-20AD-4842-89DE-2A5B38471AA3"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.6:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A2CCD571-3C47-4A0F-B928-74FE8700763D"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.7:*:*:*:*:*:*:*",
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              "matchCriteriaId": "8A8B5EDF-F6AA-4966-A2D0-6FE46B69E1A4"
            },
            {
              "criteria": "cpe:2.3:a:freeciv:freeciv:2.0.7a:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "93DF5226-960F-4882-B7F6-317EBF59ED48"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@debian.org"
}