CVE-2025-1975
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.
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
32 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
Ollama Server Vulnerable to Denial of Service (DoS) Attack in github.com/ollama/ollama
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.
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.
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/1xxx/CVE-2025-1975.json
- https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd
- https://nvd.nist.gov/vuln/detail/CVE-2025-1975
- https://github.com/advisories/GHSA-wrh5-cmwx-q2qr
- https://github.com/ollama/ollama
- https://github.com/pypa/advisory-database/tree/main/vulns/ollama/PYSEC-2025-145.yaml
- https://pkg.go.dev/vuln/GO-2025-3695