CVE-2024-8063: Ollama Divide by Zero Vulnerability

March 20, 2025 (updated May 15, 2025)

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.

References

github.com/advisories/GHSA-2xf2-gjm6-g2c6
github.com/ollama/ollama
github.com/ollama/ollama/issues/8020
huntr.com/bounties/fd8e1ed6-21d2-4c9e-8395-2098f11b7db9
nvd.nist.gov/vuln/detail/CVE-2024-8063

Code Behaviors & Features

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