CVE-2025-0312: ollama Null Dereference — Exploit

Description

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
ollama	ollama	< 0.3.14

References

Exploits

https://huntr.com/bounties/522c87b6-a7ac-41b2-84f3-62fd58921f21

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-0312? +

CVE-2025-0312 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0312? +

CVE-2025-0312 affects products from ollama, specifically: ollama. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0312? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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