CVE-2025-0312— NULL Pointer Dereference in ollama/ollama
Quick assessment
Affected
ollama ollama/ollama
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Ollama是Ollama开源的一个可以在本地启动并运行的大型语言模型。 Ollama 0.3.14及之前版本存在代码问题漏洞，该漏洞源于未检查空指针取消引用，可能导致拒绝服务攻击。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-0312
Vulnerability Information
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Vulnerability Title
NULL Pointer Dereference in ollama/ollama
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in ollama/ollama versions <=0.3.14 allows a malicious user to create a customized GGUF model file that, when uploaded and created on the Ollama server, can cause a crash due to an unchecked null pointer dereference. This can lead to a Denial of Service (DoS) attack via remote network.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Ollama 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ollama是Ollama开源的一个可以在本地启动并运行的大型语言模型。 Ollama 0.3.14及之前版本存在代码问题漏洞，该漏洞源于未检查空指针取消引用，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ollama | ollama/ollama | unspecified ~ latest | - |
|
II. Public POCs for CVE-2025-0312
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-0312 (1)
Same Patch Batch · ollama · 2025-03-20 · 6 CVEs total
| CVE-2025-0317 | Divide By Zero in ollama/ollama | |
| CVE-2025-0315 | Allocation of Resources Without Limits or Throttling in ollama/ollama | |
| CVE-2024-12886 | Out-Of-Memory (OOM) Vulnerability in ollama/ollama | |
| CVE-2024-12055 | DoS using malicious gguf model file in ollama/ollama | |
| CVE-2024-8063 | Divide by Zero in ollama/ollama |
IV. Related Vulnerabilities
Same product: ollama/ollama
Same vendor: ollama
-
CVE-2026-102697
Ollama 0.14.0 before 0.31.2 Experimental Agent Bash Approval -
CVE-2026-85180
Ollama 0.30.0 through 0.33.2 SSRF via Cross-Host Tensor Blob -
CVE-2026-65315
Ollama Remote Denial of Service via Attacker-Controlled Allo -
CVE-2026-15685
Ollama downloadBlob Improper Validation of Array Index Denia -
CVE-2026-7482
Ollama heap out-of-bounds read in GGUF tensor parsing leaks
Same weakness: CWE-476
-
CVE-2026-66859
Apache Thrift: c_glib multiplexed processor crashes on a mes -
CVE-2026-87117
Apache Thrift: PHP `thrift_protocol` accelerator dereference -
CVE-2026-82357
RT-Labs AB C-Open CANopen NULL pointer dereference -
CVE-2026-9032
Unauthenticated Onboarding Connect NULL Pointer Dereference -
CVE-2026-63686
Apache HTTP Server: mod_xml2enc crash on charset conversion
V. Comments for CVE-2025-0312
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