CVE-2025-66960: Ollama

High severity, CVSS 7.5. EPSS: 0.4% 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 fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata

Affected products

• Ollama Ollama: version 0.12.10 only

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