NULL pointer dereference in Ollama

CVE-2025-0312

A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to create a customized GGUF model file that, when uploaded and created on the Ollama server, can cause a crash due to an unchecked null pointer dereference. This can lead to a Denial of Service (DoS) attack via remote network.

EPSS: 0.006 (47.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-0312?
CVE-2025-0312 is a high-severity vulnerability in Ollama, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2025-0312?
High severity. CVSS v3 base score is 7.5 out of 10.