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1 vulnerability found for mtools by GNU

CVE-2026-118384 (GCVE-0-2026-118384)
Vulnerability from cvelistv5
Published
2026-10-28 02:53
Modified
2026-10-28 03:01
CWE
  • CWE-839 - Numeric Range Comparison Without Minimum Check
Summary
GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.
Impacted products
Vendor Product Version
GNU mtools Version: 0   ≤ 4.0.49
Create a notification for this product.
Show details on NVD website


{
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      "affected": [
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          "defaultStatus": "unknown",
          "modules": [
            "mdir",
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          "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."
        }
      ],
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            "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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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-839",
              "description": "CWE-839 Numeric Range Comparison Without Minimum Check",
              "lang": "en",
              "type": "CWE"
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        "dateUpdated": "2026-10-28T03:01:38.786Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      "references": [
        {
          "tags": [
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          "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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        {
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          "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445"
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  "cveMetadata": {
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    "cveId": "CVE-2026-118384",
    "datePublished": "2026-10-28T02:53:38.786Z",
    "dateReserved": "2026-10-28T02:53:38.394Z",
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