{
  "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-2026-89878",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-89878",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-16T10:31:44.876Z",
    "updatedAt": "2026-10-19T08:54:11.089Z",
    "importedAt": "2026-10-24T01:58:35.090Z",
    "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": "media: s2255: check firmware size before reading trailing marker",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6f6a5b0b0a84c2de0e152f2841e57bc226db924f"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8eca0f85eeb0789be40e637bcf9a21c4265b6c6f"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ffc27411ea60b8a09f1fea3d664b65210fdeb454"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5626785b0e4665326e4d96736c106161da09b2f0"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "342632a4d8ba3fafc1556deee0b7a48dd7860336"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7d221859ba45d7228d0138c9a3e55bd3bb31e14e"
            },
            {
              "version": "14d962602c8bf86e63c9b9272be1f0360d0a448a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "330f2936ab768c7215322a476f033143e8891d28"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.28",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.28"
            },
            {
              "version": "5.10.270",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.157",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.110",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.51",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}