Vulnerability · Published May 16, 2025 · Assigned by @huntr_ai
CVE-2025-1975Improper Validation of Array Index in ollama/ollama
High 7.5
In plain English
A high-severity security flaw in ollama/ollama from ollama. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)0.5%top 55.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/ollama/ollama | no fix listed | GHSA-wrh5-cmwx-q2qr |
| Go | github.com/ollama/ollama | no fix listed | GO-2025-3695 |
| PyPI | ollama | no fix listed | PYSEC-2025-145 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ollama | ollama/ollama | unspecified – through latest |
Weakness: CWE-129 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H