CVE-2024-8063
Divide by Zero in ollama/ollama
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.
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 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.
- Record
CVE-2024-8063- 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-2025-6935
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.
- Record
EUVD-2025-6935- 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-2xf2-gjm6-g2c6
Ollama Divide by Zero Vulnerability
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.
- Record
GHSA-2xf2-gjm6-g2c6- 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 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.
- Record
CVE-2024-8063- 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 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.
- Record
CVE-2024-8063- 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-2xf2-gjm6-g2c6
Ollama Divide by Zero Vulnerability
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.
- Record
GHSA-2xf2-gjm6-g2c6- 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
OSVPYSEC-2025-144
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.
- Record
PYSEC-2025-144- 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 - Updated
- 2026-11-02
OSVGO-2025-3689 No score
Ollama Divide by Zero Vulnerability in github.com/ollama/ollama
Ollama Divide by Zero Vulnerability in github.com/ollama/ollama
- Record
GO-2025-3689- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15135-1 No score
govulncheck-vulndb-0.0.20250515T200012-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250515T200012-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15135-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/ollama/ollamaGo |
through 0.3.3 | None known |
github.com/ollama/ollamaGo |
All versions | None known |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 11 CVEs |
before 0.0.20250515T200012-1.1 | 0.0.20250515T200012-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-8063 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 0.64%, the 51st percentile. No source names a fixed version.
References
huntr.com/bounties/fd8e1ed6-21d2-4c9e-8395-2098f11b7db9
nvd.nist.gov/vuln/detail/CVE-2024-8063
github.com/ollama/ollama/issues/8020
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lists.opensuse.org/archives/list/[email protected]/thread/QOPKRPL75SZMLT3YSQAZEDWH7RBRXGJK
suse.com/security/cve/CVE-2024-52290