GHSA-v464-r2r9-www7HighCVSS 7.5

Ollama Vulnerable to Denial of Service (DoS) via Crafted GZIP

Published
March 20, 2025
Last Modified
October 15, 2025

🔗 CVE IDs covered (1)

📋 Description

An Out-Of-Memory (OOM) vulnerability exists in the ollama server version 0.3.14. This vulnerability can be triggered when a malicious API server responds with a gzip bomb HTTP response, leading to the ollama server crashing. The vulnerability is present in the makeRequestWithRetry and getAuthorizationToken functions, which use io.ReadAll to read the response body. This can result in excessive memory usage and a Denial of Service (DoS) condition.

🎯 Affected products1

  • go/github.com/ollama/ollama:<= 0.3.14

🔗 References (3)