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HIGH

CVE-2025-66959

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?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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