CVE-2025-1975
Improper Validation of Array Index in ollama/ollama
CVSS v3
7.5
HIGH
EPSS Score
0.5 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
poc
SSVC status
Get an alert for each new CVE published for ollama.
Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Packages
- github.com/ollama/ollamaGoall versions · no fixed version listed
- ollamaPyPIall versions · no fixed version listed
Vendor advisories
- CVE-2025-1975 Red Hat Product Security
ollama: Improper Validation of Array Index in ollama/ollama
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.
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2025-05-16
- Last Modified
- 2025-06-24
Frequently asked questions
What is CVE-2025-1975?
Is CVE-2025-1975 actively exploited?
What is the CVSS score for CVE-2025-1975?
Running ollama? Hear about its next vulnerability
CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.
Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? CVE Watch alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.