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CVE-2009-3371

Status: ModifiedHigh (10)—

Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively.

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)

Mozilla — Firefox

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2009-3371",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-10-29T14:30:00.860",
  "references": [
    {
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:294",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2009/mfsa2009-54.html",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/3334",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=514554",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6464",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://sunsolve.sun.com/search/document.do?assetkey=1-26-272909-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:294",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2009/mfsa2009-54.html",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/3334",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=514554",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6464",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.4 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code by creating JavaScript web-workers recursively."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso después de la liberación en Mozilla Firefox v3.5.x anteriores a v3.5.4 permite a atacantes remotos producir una denegación de servicio (caída de aplicación) o posiblemente ejecutar código arbitrario mediante la creación de web-workers de JavaScript recursivos."
    }
  ],
  "lastModified": "2026-06-16T23:11:28.587",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.5.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "031E8624-5161-43AF-AF19-6BAB5A94FDD8"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.5.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "54186D4A-C6F0-44AD-94FB-73B4346ABB6B"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.5.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "47E50AD9-BA35-4817-BD4D-5D678FC5A3C5"
            },
            {
              "criteria": "cpe:2.3:a:mozilla:firefox:3.5.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DD09DE40-8C9B-41EA-B372-9E4E4830E8F4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}