Denial of Service Vulnerability in Ollama by Ollama Technologies
CVE-2025-0312

7.5HIGH

Key Information:

Vendor

Ollama

Status
Ollama/ollama
Vendor
CVE Published:
20 March 2025

What is CVE-2025-0312?

A security flaw in the Ollama application allows malicious actors to exploit unchecked null pointer dereferences. When a custom GGUF model file is crafted and uploaded to the Ollama server, it can lead to a crash, ultimately causing a denial of service. This vulnerability highlights the need for heightened security measures and validation protocols to prevent unauthorized access and ensure system stability.

Affected Version(s)

ollama/ollama <= unspecified

References

https://huntr.com/bounties/522c87b6-a7ac-41b2-84f3-62fd58...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-0312 : Denial of Service Vulnerability in Ollama by Ollama Technologies