{
  "cveId": "CVE-2025-52566",
  "url": "https://patchblox.com/security/cve/CVE-2025-52566",
  "summary": "CVE-2025-52566 is fixed in llama.cpp on 1 platform by DEBIAN-CVE-2025-52566 (version 5760\u002Bdfsg-1), released June 24, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "llama.cpp: llama.cpp is an inference of several LLM models in C/C\u002B\u002B",
  "description": "llama.cpp is an inference of several LLM models in C/C\u002B\u002B. Prior to version b5721, there is a signed vs. unsigned integer overflow in llama.cpp\u0027s tokenizer implementation (llama_vocab::tokenize) (src/llama-vocab.cpp:3036) resulting in unintended behavior in tokens copying size comparison. Allowing heap-overflowing llama.cpp inferencing engine with carefully manipulated text input during tokenization process. This issue has been patched in version b5721.",
  "published": "2025-06-24T04:15:46Z",
  "severity": "high",
  "cvss": 8.8,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00363,
  "epssPercentile": 0.3038,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "llama.cpp",
      "release": "Debian 14",
      "fixedVersion": "5760\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2025-52566",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2025-52566",
      "released": "2025-06-24T04:15:46Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T01:44:33Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}