Description
A divide by zero vulnerability exists in ollama/ollama version v0.3.3. The vulnerability occurs when importing GGUF models with a crafted type for `block_count` in the Modelfile. This can lead to a denial of service (DoS) condition when the server processes the model, causing it to crash.
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 | 0.0.20250515T200012-1.1 | openSUSE-SU-2025:15135-1 |
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 | <= 0.3.3 | — | GHSA-2xf2-gjm6-g2c6 |
| Go | github.com/ollama/ollama | all versions | — | GO-2025-3689 |
Advisories 1
- openSUSE-SU-2025:15135-1 govulncheck-vulndb-0.0.20250515T200012-1.1 on GA media SUSE / openSUSE Security Updates · Feb 5, 2026