Description
A vulnerability in Ollama versions <=0.3.14 allows a malicious user to create a customized gguf model file that can be uploaded to the public Ollama server. When the server processes this malicious model, it crashes, leading to a Denial of Service (DoS) attack. The root cause of the issue is an out-of-bounds read in the gguf.go file.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ollama | ollama/ollama | unspecified – ≤ latest | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20250331T171002-1.1 | openSUSE-SU-2025:14955-1 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | mods | 1.8.1-r14 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/ollama/ollama | <= 0.3.14 | — | GHSA-89qx-m49c-8crf |
| Go | github.com/ollama/ollama | all versions | — | GO-2025-3558 |
Advisories 1
- openSUSE-SU-2025:14955-1 govulncheck-vulndb-0.0.20250331T171002-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026