gcdRadar
archive/Patch now/AIR-2026-0939
closedclosed 12 Jan 2026Patch now2 Disclosed vulnerabilityAI

CVE-2025-15514: Ollama null pointer dereference in image processing

Ollama

Ollama contains a null pointer dereference vulnerability in multi-modal image processing via the chat endpoint. Remote attackers can exploit malformed base64 image data to crash the service.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
8.7
EPSS
0.01 · top 44% · 2026-11-13
fix status
Fix status unknown
first report
12 Jan 2026
last update
12 Jan 2026

Timeline · 1

  1. 12 Jan 2026CVE-2025-15514: Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal model image…

Sources · 1

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
dates
happened 12 Jan 2026 · first reported 12 Jan 2026
origin
NVD
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2025-15514: Ollama null pointer dereference in image processing

https://gcdradar.vercel.app/incidents/cve-2025-15514-ollama-null-pointer-dereference-in-image-proc · AIR-2026-0939 · closed 2026-01-12

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-01-12
- AI role: Attack on AI
- Products: Ollama
- CVE ids: CVE-2025-15514
- CVSS: 8.7

## Summary

Ollama contains a null pointer dereference vulnerability in multi-modal image processing via the chat endpoint. Remote attackers can exploit malformed base64 image data to crash the service.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-01-12: CVE-2025-15514: Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal model image… (https://nvd.nist.gov/vuln/detail/CVE-2025-15514)

## Sources

- 2026-01-12 NVD: CVE-2025-15514: Ollama 0.11.5-rc0 through current version 0.13.5 contain a null pointer dereference vulnerability in the multi-modal model image… https://nvd.nist.gov/vuln/detail/CVE-2025-15514

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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