AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

OllamaGHSA-wrh5-cmwx-q2qr

Ollama Server Vulnerable to Denial of Service (DoS) Attack

Ollama

CVE-2025-1975 · Published May 16, 2025 · updated Sep 10, 2026

High7.5
No fix yet
GitHub advisory

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 versions

PackageAffectedFixed in
github.com/ollama/ollama
Go
<= 0.5.11No fix yet
Details and references
CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity from
GitHub (reviewed advisory)
Weakness
CWE-129
Also known as
CVE-2025-1975, GO-2025-3695

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