CVE-2025-66960

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-66960
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

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/ollama/ollama/issues/9820 Exploit Issue Tracking Vendor Advisory
https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/ Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:ollama:ollama:0.12.10:-:*:*:*:*:*:*
History

02 Feb 2026, 17:27

Type Values Removed Values Added
First Time Ollama
Ollama ollama
References () https://github.com/ollama/ollama/issues/9820 - () https://github.com/ollama/ollama/issues/9820 - Exploit, Issue Tracking, Vendor Advisory
References () https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/ - () https://zero.shotlearni.ng/blog/cve-2025-66960guf-v1-string-length-cause-panic-in-readggufv1string/ - Exploit, Third Party Advisory
CPE cpe:2.3:a:ollama:ollama:0.12.10:-:*:*:*:*:*:*

22 Jan 2026, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CWE CWE-20
CWE-400

21 Jan 2026, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-01-21 18:16

Updated : 2026-02-02 17:27

NVD link : CVE-2025-66960

Mitre link : CVE-2025-66960

CVE.ORG link : CVE-2025-66960

JSON object : View

Products Affected

ollama

  • ollama
CWE
CWE-20

Improper Input Validation

CWE-400

Uncontrolled Resource Consumption