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CVE-2026-86289 Ollama GGUF Decoder gguf.go readGGUFV1String integer overflow

🗓️ 07 Sep 2026 08:45:15Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

A vulnerability was found in Ollama up to 0.31.1. This issue affects the function readGGUFV1String of the file fs/ggml/gguf.go of the component GGUF Decoder. Performing a manipulation results in integer overflow. The attack is possible to be carri...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-86289
7 Sep 202609:52
circl
cve
CVE
CVE-2026-86289
7 Sep 202608:45
cve
euvd
EUVD
EUVD-2026-72306
7 Sep 202608:45
euvd
nvd
NVD
CVE-2026-86289
7 Sep 202609:17
nvd
ptsecurity
Positive Technologies
PT-2026-86660
7 Sep 202600:00
ptsecurity
[
  {
    "vendor": "n/a",
    "product": "Ollama",
    "versions": [
      {
        "version": "0.31.0",
        "status": "affected"
      },
      {
        "version": "0.31.1",
        "status": "affected"
      },
      {
        "version": "0.31.2-rc1",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:2.3:a:ollama:ollama:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "GGUF Decoder"
    ]
  }
]

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07 Sep 2026 08:45Current
CVSS 3.14.3
CVSS 34.3
CVSS 25
CVSS 45.3
EPSS0.00399
31