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    2 vulnerabilities found for mtools by GNU

    CVE-2026-118384 (GCVE-0-2026-118384)

    Vulnerability from nvd – Published: 2026-10-28 02:53 – Updated: 2026-10-28 03:01
    VLAI
    Summary
    GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
    CWE
    • CWE-839 - Numeric Range Comparison Without Minimum Check
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 29/100 over 2266 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU mtools Affected: 0 , ≤ 4.0.49 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "mdir",
            "mcopy"
          ],
          "product": "mtools",
          "programFiles": [
            "vfat.c"
          ],
          "vendor": "GNU",
          "versions": [
            {
              "lessThanOrEqual": "4.0.49",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
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        {
          "lang": "en",
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            "availabilityImpact": "HIGH",
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            "integrityImpact": "LOW",
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          },
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          "scenarios": [
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-839",
              "description": "CWE-839 Numeric Range Comparison Without Minimum Check",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T03:01:38.786Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "product"
          ],
          "url": "https://ftp.gnu.org/gnu/mtools/mtools-4.0.49.tar.gz"
        },
        {
          "tags": [
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          ],
          "url": "https://lists.gnu.org/archive/html/info-gnu/2025-06/msg00004.html"
        },
        {
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          ],
          "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445"
        },
        {
          "tags": [
            "product"
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          "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L399"
        }
      ],
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  "cveMetadata": {
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    "assignerShortName": "mitre",
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    "datePublished": "2026-10-28T02:53:38.786Z",
    "dateReserved": "2026-10-28T02:53:38.394Z",
    "dateUpdated": "2026-10-28T03:01:38.786Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

    CVE-2026-118384 (GCVE-0-2026-118384)

    Vulnerability from cvelistv5 – Published: 2026-10-28 02:53 – Updated: 2026-10-28 03:01
    VLAI
    Summary
    GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.
    Severity
    6.1 (Medium)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
    CWE
    • CWE-839 - Numeric Range Comparison Without Minimum Check
    Assigner
    mitre CNA under the mitre root
    CNA scorecard E 29/100 over 2266 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    GNU mtools Affected: 0 , ≤ 4.0.49 (semver)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "mdir",
            "mcopy"
          ],
          "product": "mtools",
          "programFiles": [
            "vfat.c"
          ],
          "vendor": "GNU",
          "versions": [
            {
              "lessThanOrEqual": "4.0.49",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
            "version": "3.1"
          },
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          "scenarios": [
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              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-839",
              "description": "CWE-839 Numeric Range Comparison Without Minimum Check",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-28T03:01:38.786Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
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          "url": "https://ftp.gnu.org/gnu/mtools/mtools-4.0.49.tar.gz"
        },
        {
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          ],
          "url": "https://lists.gnu.org/archive/html/info-gnu/2025-06/msg00004.html"
        },
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          "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445"
        },
        {
          "tags": [
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          "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L399"
        }
      ],
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  "cveMetadata": {
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    "assignerShortName": "mitre",
    "cveId": "CVE-2026-118384",
    "datePublished": "2026-10-28T02:53:38.786Z",
    "dateReserved": "2026-10-28T02:53:38.394Z",
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