CVE-2025-0317
Divide By Zero in ollama/ollama
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Divide By Zero in ollama/ollama
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
CVE-2025-0317- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
EUVDEUVD-2025-6832
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
EUVD-2025-6832- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-9gcr-28rp-cc24
Ollama Divide By Zero vulnerability
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
GHSA-9gcr-28rp-cc24- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
NVD
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
CVE-2025-0317- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSV
Divide By Zero in ollama/ollama
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
CVE-2025-0317- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSVGHSA-9gcr-28rp-cc24
Ollama Divide By Zero vulnerability
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.
- Record
GHSA-9gcr-28rp-cc24- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSVGO-2025-3559 No score
Ollama Divide By Zero vulnerability in github.com/ollama/ollama
Ollama Divide By Zero vulnerability in github.com/ollama/ollama
- Record
GO-2025-3559- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:14955-1 No score
govulncheck-vulndb-0.0.20250331T171002-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250331T171002-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:14955-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/ollama/ollamaGo |
through 0.3.14 | None known |
github.com/ollama/ollamaGo |
All versions | None known |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 4 CVEs |
before 0.0.20250331T171002-1.1 | 0.0.20250331T171002-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-0317 is a high vulnerability (CVSS 7.5) in Ollama, published March 20, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 14.5%, the 96th percentile. No source names a fixed version.
References
huntr.com/bounties/a9951bca-9bd8-49b2-b143-4cd4219f9fa0
nvd.nist.gov/vuln/detail/CVE-2025-0317
github.com/advisories/GHSA-9gcr-28rp-cc24
lists.opensuse.org/archives/list/[email protected]/thread/GT5JSN3VXOPFJR5R2YOR4UYXCVU3UJDI