CVE-2025-66959
HIGHCVSS 7.5/10EPSS 4.55%
Last modified
CVE-2025-66959 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder. EPSS estimates a 4.55% chance of exploitation in the next 30 days.
Description
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ollama | Ollama | 0.12.10 |
References
- https://github.com/ollama/ollama/issues/9820Exploit, Issue Tracking, Vendor Advisory
- https://zero.shotlearni.ng/blog/cve-2025-66959panic-dos-via-unchecked-length-in-gguf-decoder-copy/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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
How severe is CVE-2025-66959?
CVE-2025-66959 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.55% probability of exploitation in the next 30 days.
How do I fix CVE-2025-66959?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-66959?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST