Skip to content
fr Sign in
7.5 High

CVE-2026-15685 Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability

Description

Ollama downloadBlob Improper Validation of Array Index Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Ollama. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloadBlob function. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated array. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-27277.

Affected products and versions

Product Affected versions Fixed in
Ollama 0.7.1 No fix stated

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Ollama

The 14 CVEs of Ollama →
CVE-2026-103663 Ollama is vulnerable to path traversal in the `/api/pull` endpoint due to insufficient validation of layer digests by… 6.9 Medium CVE-2026-102697 Ollama versions 0.14.0 before 0.31.2 contain an incorrect authorization vulnerability in the experimental agent mode… 8.5 High CVE-2026-85180 Ollama fails to validate redirect destinations when pulling tensor-layer models, allowing unauthenticated attackers to… 8.7 High CVE-2026-65315 Ollama (HEAD f0078ae) contains an uncontrolled memory allocation vulnerability in the GGUF metadata parser that allows… 8.7 High
Track this CVE