{"cve":"CVE-2025-1975","nvd":{"published":"2025-05-16T09:15:17.980","modified":"2026-06-17T08:40:27.950","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-129"],"references":["https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd"],"products":["ollama:ollama"],"source":"nvd","synced_at":"2026-10-19T22:01:57.636215869+00:00"},"epss":{"cve":"CVE-2025-1975","score":0.00521,"percentile":0.44247,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wrh5-cmwx-q2qr","url":"https://osv.dev/vulnerability/GHSA-wrh5-cmwx-q2qr","summary":"Ollama Server Vulnerable to Denial of Service (DoS) Attack","modified":"2026-09-10T03:50:24.688447750Z","packages":[{"ecosystem":"Go","name":"github.com/ollama/ollama","purl":"pkg:golang/github.com/ollama/ollama","ranges":["<=0.5.11"],"fixed":[]}]},{"id":"GO-2025-3695","url":"https://osv.dev/vulnerability/GO-2025-3695","summary":"Ollama Server Vulnerable to Denial of Service (DoS) Attack in github.com/ollama/ollama","modified":"2026-06-10T12:11:03.946507195Z","packages":[{"ecosystem":"Go","name":"github.com/ollama/ollama","purl":"pkg:golang/github.com/ollama/ollama","ranges":["all versions"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}