VulnerabilityAnalyzed
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
HIGH 7.5EPSS 4.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.73% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-400
- Affected
- ollama/ollama
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.