ollama up to 0.3.14 GGUF Model File ggufPadding divide by zero

Summaryinfo

A vulnerability described as problematic has been identified in ollama up to 0.3.14. This vulnerability affects the function ggufPadding of the component GGUF Model File Handler. Executing a manipulation can lead to divide by zero. The identification of this vulnerability is CVE-2025-0317. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in ollama up to 0.3.14 and classified as problematic. This vulnerability affects the function ggufPadding of the component GGUF Model File Handler. The manipulation with an unknown input leads to a divide by zero vulnerability. The CWE definition for the vulnerability is CWE-369. The product divides a value by zero. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at huntr.com. This vulnerability was named CVE-2025-0317 since 01/07/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 233434 (Ollama <= 0.3.14 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (233434). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• ollama

Version

• 0.3.0
• 0.3.1
• 0.3.2
• 0.3.3
• 0.3.4
• 0.3.5
• 0.3.6
• 0.3.7
• 0.3.8
• 0.3.9
• 0.3.10
• 0.3.11
• 0.3.12
• 0.3.13
• 0.3.14

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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