CVE-2025-1975

unknown

Published 2025-05-16 · Modified 2026-05-21

CVSS v3

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CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2

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VIR risk

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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.

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2025-1975.html

OS impact

OS	Version	Status	Fixed in
sles		affected

Package impact

Ecosystem	Package	Vulnerable
PyPI	ollama	`<=0.5.11`
Go	github.com/ollama/ollama	`<=0.5.11`
Go	github.com/ollama/ollama

References

https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72dffe7acd
https://nvd.nist.gov/vuln/detail/CVE-2025-1975
https://github.com/ollama/ollama
https://pkg.go.dev/vuln/GO-2025-3695
https://github.com/advisories/GHSA-wrh5-cmwx-q2qr
https://www.suse.com/security/cve/CVE-2025-1975.html

Verify integrity in audit chain (admin only). AS-IS.