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CVE-2025-0317

Divide By Zero in ollama/ollama

HIGH
7.5
CVSS Score
Published: March 20, 2025 at 10:10 AM UTC
Updated: June 17, 2026 at 08:26 AM UTC
1 product affected across 1 vendorOllama

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Severity
HIGH7.5
Exploit prediction
EPSS 15%
SSVC
PoC

Description

A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to upload and create a customized GGUF model file on the Ollama server. This can lead to a division by zero error in the ggufPadding function, causing the server to crash and resulting in a Denial of Service (DoS) attack.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ollama· Ollama
95%
v ≤ 0.3.14v ≤ latest

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitThird Party Advisory
Source: [email protected]
https://huntr.com/bounties/a9951bca-9bd8-49b2-b143-4cd4219f9fa0

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-369

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