CVE-2025-66959: Ollama

High severity, CVSS 7.5. EPSS: 5.2% chance of exploitation in the next 30 days.

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder

Affected products

• Ollama Ollama: version 0.12.10 only

Published 2026-01-21. Last modified 2026-06-17.