CVSS v3
7.5
HIGH
EPSS Score
5.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
Technical details
- Published
- 2026-01-21
- Last Modified
- 2026-02-02
Frequently asked questions
What is CVE-2025-66959?
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
Is CVE-2025-66959 actively exploited?
Active exploitation of CVE-2025-66959 has not been confirmed. Its EPSS score was 5.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-66959?
CVE-2025-66959 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2025-66959 affecting your environment?
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