{
  "id": "CVE-2021-46784",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-07-17T22:15:08.737",
  "lastModified": "2023-01-19T20:28:13.237",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses."
    },
    {
      "lang": "es",
      "value": "En Squid versiones 3.x hasta 3.5.28, versiones 4.x hasta 4.17 y versiones 5.x anteriores a 5.6, debido a una administraci\u00f3n inapropiada del b\u00fafer, puede producirse una denegaci\u00f3n de servicio cuando son procesadas respuestas largas del servidor Gopher"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "3.0",
              "versionEndIncluding": "3.5.28",
              "matchCriteriaId": "FC9F2659-B37B-4E7B-AE40-B91BF3CE4E88"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "4.0",
              "versionEndIncluding": "4.17",
              "matchCriteriaId": "AD4A9EF2-CA36-4C09-8A67-6AE01B16E04E"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.0",
              "versionEndExcluding": "5.6",
              "matchCriteriaId": "56C44696-C2E8-42DC-877F-B97943F8DD87"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.squid-cache.org/Versions/v4/changesets/SQUID-2021_7.patch",
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.squid-cache.org/Versions/v5/changesets/SQUID-2021_7.patch",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/squid-cache/squid/commit/5e2ea2b13bd98f53e29964ca26bb0d602a8a12b9",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-f5cp-6rh3-284w",
      "source": "cve@mitre.org",
      "tags": [
        "Mitigation",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security-tracker.debian.org/tracker/CVE-2021-46784",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20221223-0007/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}