CVE-2025-1975

HIGH

Ollama 0.5.11 - Denial of Service via Manifest Spoofing in /api/pull Endpoint

Title source: llm
STIX 2.1

Description

A vulnerability in the Ollama server version 0.5.11 allows a malicious user to cause a Denial of Service (DoS) attack by customizing the manifest content and spoofing a service. This is due to improper validation of array index access when downloading a model via the /api/pull endpoint, which can lead to a server crash.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0043
EPSS Percentile 33.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-129
Status published
Products (2)
ollama/ollama 0.5.11
ollama/ollama 0 - 0.5.11Go
Published May 16, 2025
Tracked Since Feb 18, 2026