high7.5
CVE-2025-1975
Ollama Server Vulnerable to Denial of Service (DoS) Attack
Impact
A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and spoofing a service. This is due to improper validation of array index access when downloading a model via the /api/pull endpoint, which can lead to a server crash.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/ollama/ollama | <= 0.5.11 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ollama | Ollama | Version 0.5.11 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd
- https://github.com/advisories/GHSA-wrh5-cmwx-q2qr
- https://nvd.nist.gov/vuln/detail/CVE-2025-1975
- https://pkg.go.dev/vuln/GO-2025-3695
- https://github.com/pypa/advisory-database/tree/main/vulns/ollama/PYSEC-2025-145.yaml