{
  "id": "CVE-2016-4817",
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "published": "2016-06-19T01:59:11.903",
  "lastModified": "2021-04-19T14:01:59.427",
  "vulnStatus": "Analyzed",
  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/416.html\">CWE-416: Use After Free</a>",
  "descriptions": [
    {
      "lang": "en",
      "value": "lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet."
    },
    {
      "lang": "es",
      "value": "lib/http2/connection.c en H2O en versiones anteriores a 1.7.3 y 2.x en versiones anteriores a 2.0.0-beta5 no maneja correctamente desconexi\u00f3n de HTTP/2, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria y ca\u00edda de aplicaci\u00f3n) o posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de un paquete manipulado."
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "NVD-CWE-Other"
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          "operator": "OR",
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          "cpeMatch": [
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  "references": [
    {
      "url": "http://jvn.jp/en/jp/JVN87859762/index.html",
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2016-000091",
      "source": "vultures@jpcert.or.jp",
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    },
    {
      "url": "https://github.com/h2o/h2o/commit/1c0808d580da09fdec5a9a74ff09e103ea058dd4",
      "source": "vultures@jpcert.or.jp"
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      "url": "https://github.com/h2o/h2o/pull/920",
      "source": "vultures@jpcert.or.jp",
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        "Vendor Advisory"
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}