{
 "id": "AIR-2026-0987",
 "slug": "cve-2026-27940-integer-overflow-in-llama-cpp-gguf-parser",
 "title": "CVE-2026-27940: Integer overflow in llama.cpp gguf parser",
 "summary": "An integer overflow in llama.cpp leads to an undersized heap allocation during GGUF file initialization. This allows attacker-controlled data to overflow the buffer boundary, which was addressed in version b8146.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "llama.cpp"
 ],
 "incident_date": "2026-03-12",
 "incident_date_precision": "day",
 "first_reported": "2026-03-12",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27940",
   "publisher": "NVD",
   "title": "CVE-2026-27940: llama.cpp is an inference of several LLM models in C/C++.",
   "published_at": "2026-03-12"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-27940",
  "heap-overflow",
  "integer-overflow"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}