{
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              "content": {
                "id": "CVE-2026-111137",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
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                "timestamp": "2026-10-16T16:28:04.914973Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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        {
          "collectionURL": "https://github.com/amartin755/libsmi",
          "defaultStatus": "unaffected",
          "product": "libsmi",
          "repo": "https://github.com/amartin755/libsmi",
          "vendor": "amartin755",
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              "lessThanOrEqual": "0.5.0",
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              "version": "0",
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "HaiND from the Post and Telecommunication Institute of Technology"
        }
      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "libsmi through 0.5.0 contains an out-of-bounds write vulnerability in smiValueAsString() in lib/smi.c that allows attackers to overflow a fixed 1024-byte static buffer through hex rendering of OCTET STRING values. Attackers can supply a crafted MIB with an OCTET STRING DEFVAL of 512 or more octets and a leading 0x00 byte to corrupt adjacent library globals and crash smidump or other consumers."
        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
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            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-10-15T18:57:30.581Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "tags": [
            "technical-description",
            "exploit"
          ],
          "url": "https://hackmd.io/@haind-pwn/libsmi-smivalueasstring-octetstring-defval-oob-write"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://github.com/amartin755/libsmi/blob/c58307210fe995ec419db976eb234aebc71a9216/lib/smi.c#L479-L566"
        },
        {
          "tags": [
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          "url": "https://github.com/amartin755/libsmi"
        },
        {
          "name": "VulnCheck Advisory: libsmi through 0.5.0 Out-of-Bounds Write via smiValueAsString OCTET STRING DEFVAL",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/libsmi-through-0.5.0-out-of-bounds-write-via-smivalueasstring-octet-string-defval"
        }
      ],
      "title": "libsmi through 0.5.0 Out-of-Bounds Write via smiValueAsString OCTET STRING DEFVAL",
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-111137",
    "datePublished": "2026-10-15T18:57:30.581Z",
    "dateReserved": "2026-10-15T17:03:55.430Z",
    "dateUpdated": "2026-10-16T17:10:45.000Z",
    "state": "PUBLISHED"
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}