CVE-2026-118384

{
  "id": "CVE-2026-118384",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-28T03:17:14.757",
  "lastModified": "2026-11-09T20:10:00.200",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c."
    },
    {
      "lang": "es",
      "value": "GNU mtools anterior a la versión 4.0.50 presenta una escritura fuera de límites en parse_vses en vfat.c."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "GNU",
          "product": "mtools",
          "defaultStatus": "unaffected",
          "modules": [
            "mdir",
            "mcopy"
          ],
          "programFiles": [
            "vfat.c"
          ],
          "versions": [
            {
              "version": "0",
              "lessThan": "4.0.50",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-02T17:09:51.824138Z",
          "id": "CVE-2026-118384",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-839"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L399",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445",
      "source": "[email protected]"
    },
    {
      "url": "https://lists.gnu.org/archive/html/info-mtools/2026-10/msg00001.html",
      "source": "[email protected]"
    },
    {
      "url": "https://lists.gnu.org/archive/html/info-mtools/2026-10/msg00002.html",
      "source": "[email protected]"
    },
    {
      "url": "https://lists.gnu.org/archive/html/info-mtools/2026-10/msg00004.html",
      "source": "[email protected]"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2026/10/31/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}