Vulnerability in Ollama

CVE-2025-0317

A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.142 (96.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-0317: held from 0.142 to 0.142.

EPSS over last 30 days · oldest: 0.142 · newest: 0.142 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-0317?
CVE-2025-0317 is a high-severity vulnerability in Ollama, classified under Divide By Zero. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2025-0317?
High severity. CVSS v3 base score is 7.5 out of 10.