CVE-2025-66960

7.5 HIGH

Published: January 21, 2026 Modified: February 02, 2026

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

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/ollama/ollama/issues/9820

Source: cve@mitre.org

Exploit Issue Tracking Vendor Advisory

https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/

Source: cve@mitre.org

Exploit Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.3%

51th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-20 CWE-400

Affected Vendors

ollama

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