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FKIE_CVE-2021-39253

Vulnerability from fkie_nvd - Published: 2021-09-07 15:15 - Updated: 2026-06-17 04:03
Severity
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.7 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
A crafted NTFS image can cause an out-of-bounds read in ntfs_runlists_merge_i in NTFS-3G < 2021.8.22.
References
cve@mitre.orghttps://github.com/tuxera/ntfs-3g/releasesRelease Notes, Third Party Advisory
cve@mitre.orghttps://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
cve@mitre.orghttps://security.gentoo.org/glsa/202301-01Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2021/dsa-4971Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/tuxera/ntfs-3g/releasesRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/tuxera/ntfs-3g/security/advisories/GHSA-q759-8j5v-q5jpThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/11/msg00013.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/766ISTT3KCARKFUIQT7N6WV6T63XOKG3/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSEKTKHO5HFZHWZNJNBJZA56472KRUZI/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202301-01Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4971Third Party Advisory
Impacted products
Vendor Product Version
tuxera ntfs-3g *
debian debian_linux 9.0
debian debian_linux 10.0
debian debian_linux 11.0
fedoraproject fedora 33
fedoraproject fedora 35
To clipboard 

{
  "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:tuxera:ntfs-3g:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CBE087A1-98D1-4F40-9CC9-D90116B23E0C",
              "versionEndExcluding": "2021.8.22",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
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              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "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
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
              "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A crafted NTFS image can cause an out-of-bounds read in ntfs_runlists_merge_i in NTFS-3G \u003c 2021.8.22."
    },
    {
      "lang": "es",
      "value": "Una imagen NTFS dise\u00f1ada puede causar una lectura fuera de l\u00edmites en la funci\u00f3n ntfs_runlists_merge_i en NTFS-3G versiones anteriores a 2021.8.22"
    }
  ],
  "id": "CVE-2021-39253",
  "lastModified": "2026-06-17T04:03:24.633",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "source": "nvd@nist.gov",
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      },
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          "baseScore": 6.7,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-39253",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-02T21:22:37.419300Z",
          "version": "2.0.3"
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  },
  "published": "2021-09-07T15:15:07.917",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://github.com/tuxera/ntfs-3g/releases"
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    {
      "source": "cve@mitre.org",
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    },
    {
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          "value": "CWE-125"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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