CVE-2025-1975
Homebrew vulnerability analysis and mitigation

Overview

A vulnerability (CVE-2025-1975) was discovered in the Ollama server version 0.5.11 that allows a malicious user to cause a Denial of Service (DoS) attack. The vulnerability was disclosed on May 16, 2025, and affects the server's model downloading functionality via the /api/pull endpoint (NVD, Wiz).

Technical details

The vulnerability stems from improper validation of array index access when downloading a model via the /api/pull endpoint. The issue is classified as CWE-129 (Improper Validation of Array Index) and has been assigned a CVSS v3.0 base score of 7.5 (HIGH) with the vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (NVD).

Impact

When exploited, this vulnerability allows attackers to cause a server crash through customized manifest content and service spoofing, resulting in a Denial of Service condition (NVD, Wiz).

Mitigation and workarounds

The vulnerability has been reported through the Huntr platform, suggesting that a fix may be available or in development. Users should monitor for updates from the Ollama project and apply patches when available (Huntr).

Additional resources


SourceThis report was generated using AI

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