Denial of Service Vulnerability in Ollama Server by Ollama
CVE-2025-1975

7.5HIGH

Key Information:

Vendor

Ollama

Status
Ollama/ollama
Vendor
CVE Published:
16 May 2025

What is CVE-2025-1975?

A vulnerability identified in the Ollama Server version 0.5.11 allows an attacker to execute a Denial of Service (DoS) attack. This is achieved by manipulating the manifest content to spoof a service, resulting in improper validation of array index access when models are downloaded through the /api/pull endpoint. Such exploitation may lead to a server crash, compromising its availability and impacting users.

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Affected Version(s)

ollama/ollama <= unspecified

References

https://huntr.com/bounties/921ba5d4-f1d0-4c66-9764-4f72df...

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

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