{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "29DB1D61-48E4-4483-8CEE-2A65324FF0AB",
              "versionEndExcluding": "18.00",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:7-zip:p7zip:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B541E55-DEFD-4595-BE62-003F52D39F32",
              "versionEndExcluding": "18.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive."
    },
    {
      "lang": "es",
      "value": "Una gesti\u00f3n insuficiente de excepciones en el m\u00e9todo NCompress::NRar3::CDecoder::Code en 7-Zip, en versiones anteriores a la 18.00, y en p7zip puede conducir a m\u00faltiples corrupciones de memoria en el c\u00f3digo PPMd, permitir que atacantes remotos provoquen una denegaci\u00f3n de servicio (fallo de segmentaci\u00f3n) o ejecutar c\u00f3digo arbitrario mediante un archivo RAR manipulado."
    }
  ],
  "id": "CVE-2018-5996",
  "lastModified": "2026-06-17T02:01:08.090",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-01-31T18:29:00.363",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1040831"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/p7zip-project/p7zip/issues/32"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/p7zip-project/p7zip/issues/8"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1040831"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory"
      ],
      "url": "https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}