CVE-2024-8063: Ollama Modelfile Processing Causes Denial of Service

# CVE-2024-8063: Ollama Modelfile Processing Causes Denial of Service

https://gcdradar.vercel.app/incidents/cve-2024-8063-ollama-modelfile-processing-causes-denial-of-s · AIR-2025-0258 · closed 2025-03-20

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2025-03-20
- AI role: Attack on AI
- Products: Ollama
- CVE ids: CVE-2024-8063
- CVSS: 7.5

## Summary

A divide-by-zero error in Ollama allows attackers to induce a denial of service condition by importing GGUF models with manipulated block count parameters. The vulnerability causes the inference server to crash upon processing.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-03-20: CVE-2024-8063: A divide by zero vulnerability exists in ollama/ollama version v0.3.3. (https://nvd.nist.gov/vuln/detail/CVE-2024-8063)
- 2025-03-20: CVE-2024-8063: Ollama Divide by Zero Vulnerability (https://github.com/advisories/GHSA-2xf2-gjm6-g2c6)

## Sources

- 2025-03-20 GitHub Advisory Database: CVE-2024-8063: Ollama Divide by Zero Vulnerability https://github.com/advisories/GHSA-2xf2-gjm6-g2c6
- 2025-03-20 NVD: CVE-2024-8063: A divide by zero vulnerability exists in ollama/ollama version v0.3.3. https://nvd.nist.gov/vuln/detail/CVE-2024-8063

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.