VULNERABILITY INTELLIGENCE

CVE-2026-15685

CVSS score7.5 HIGH
EPSS probability0.71%
CISA KEVNot currently listed
Published2026-07-13
Last modified2026-07-14
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • zdi-disclosures@trendmicro.com: CWE-129

Primary references