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.
Scores
CVSS v3
7.5
EPSS
0.0050
EPSS Percentile
65.8%
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
0Go
Published
May 16, 2025
Tracked Since
Feb 18, 2026