{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-63899",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-63899",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-19T14:55:08.116Z",
    "updatedAt": "2026-07-19T14:55:08.116Z",
    "importedAt": "2026-10-24T01:58:20.586Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "USB: serial: mxuport: fix memory corruption with small endpoint",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mxuport: fix memory corruption with small endpoint\n\nMake sure that the bulk-out endpoint max packet size is at least eight\nbytes to avoid user-controlled slab corruption should a malicious device\nreport a smaller size.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "086b858b5f5125bc9d967ea2bd825f83d9f8f29d"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2f3661eb2446e1ef593da45e01a3b21a906768ec"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ccbec56f2f9af008f1574335cc6a668f16603e47"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be3a1ed4ae51fa8dde57383277d336ce834f2cd9"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e906545641d34fb1a09a65b4b5cfdff40eb09681"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6c0cf56f00f280d72180bb6ce79741bc787a6269"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b40166b4ef96067620a0f248e74ad9658c8f680c"
            },
            {
              "version": "ee467a1f2066d2bfa293f7c2c7f1ff7000b0a39e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4085f0dbb1ce2251c9a5938d693de6593f0ab2bd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.14"
            },
            {
              "version": "5.10.259",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.210",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.176",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.143",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.93",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.35",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.0.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.0.*"
            },
            {
              "version": "7.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}