{
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          "product": "llama.cpp",
          "vendor": "ggml-org",
          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
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      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Miaoqian Lin (Yuuoniy)"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "Jeongwoo Lee"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "ggerganov"
        }
      ],
      "datePublic": "2025-06-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "llama.cpp before b5649 contains a heap out-of-bounds read vulnerability in llama_vocab::impl::print_info() that allows attackers to crash model loading via oversized special token IDs. Attackers can supply a crafted GGUF model with a short tokenizer.ggml.tokens array, causing llama-cli or llama-server to read past id_to_token and crash."
        }
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      "metrics": [
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            "attackRequirements": "NONE",
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            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "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:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
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            "vulnIntegrityImpact": "NONE"
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
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        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "Out-of-bounds Read",
              "lang": "en",
              "type": "CWE"
            }
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      "providerMetadata": {
        "dateUpdated": "2026-10-27T00:33:57.956Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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        {
          "name": "GitHub Security Advisory (GHSA-g4cc-763q-h9h6)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/ggml-org/llama.cpp/security/advisories/GHSA-g4cc-763q-h9h6"
        },
        {
          "tags": [
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            "issue-tracking"
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          "url": "https://github.com/ggml-org/llama.cpp/pull/14145"
        },
        {
          "tags": [
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          "url": "https://github.com/ggml-org/llama.cpp/commit/c33fe8b8c4427202706b1434e9fc8ab5752c9cac"
        },
        {
          "tags": [
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          "url": "https://github.com/ggml-org/llama.cpp/blob/b5648/src/llama-vocab.cpp#L2771"
        },
        {
          "name": "llama.cpp b5649 Release Notes",
          "tags": [
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        },
        {
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          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/llama-cpp-before-b5649-heap-out-of-bounds-read-via-llama-vocab-impl-print-info"
        }
      ],
      "title": "llama.cpp before b5649 Heap Out-of-Bounds Read via llama_vocab::impl::print_info",
      "x_generator": {
        "engine": "vulncheck-endgame"
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    }
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    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2025-71439",
    "datePublished": "2026-10-27T00:33:57.956Z",
    "dateReserved": "2026-10-27T00:10:21.736Z",
    "dateUpdated": "2026-10-27T00:33:57.956Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}