CVE-2025-66960

Published Jan 21, 2026

Last updated 8 days ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2025-66960 describes an improper input validation vulnerability found in Ollama version 0.12.10. This flaw specifically resides within the `fs/ggml/gguf.go` file, where the `readGGUFV1String` function processes string lengths from untrusted GGUF metadata. A remote attacker can exploit this vulnerability to cause a denial of service (DoS) condition by manipulating the input data.

Description: An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata
Source: cve@mitre.org
NVD status: Analyzed
Products: ollama

Risk scores

CVSS 3.1

Type: Secondary
Base score: 7.5
Impact score: 3.6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: HIGH

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-20

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:ollama:ollama:0.12.10:-:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E5BE19AF-8583-4E83-AECD-1B8284D97BE0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.