| Component | Ollama |
| Severity | high (CVSS 8.2) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| Published (NVD) | 2024-10-31 |
| Last modified | 2026-06-17 |
| Affected versions | ollama < 0.1.46 |
| Fixed in | 0.1.46 |
| Weakness | CWE-125 |
| CISA KEV | not listed |
NVD description
An issue was discovered in Ollama before 0.1.46. An attacker can use two HTTP requests to upload a malformed GGUF file containing just 4 bytes starting with the GGUF custom magic header. By leveraging a custom Modelfile that includes a FROM statement pointing to the attacker-controlled blob file, the attacker can crash the application through the CreateModel route, leading to a segmentation fault (signal SIGSEGV: segmentation violation).
What to do
- Upgrade Ollama to
0.1.46or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2024-39720
- https://oligo.security/blog/more-models-more-probllms
- https://github.com/ollama/ollama/compare/v0.1.45...v0.1.46#diff-782c2737eecfa83b7cb46a77c8bdaf40023e7067baccd4f806ac5517b4563131L417
Read more
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