An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via…
Priority HIGH 72CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-400.
Summary
An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00422 36th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Ansible Automation Platform 2
Timeline
- 2026-10-02 Threatist record created from CVE-2025-66960
- 2026-10-03 Alias added: GHSA-jr3x-q8gx-4gw3
References
More Ollama vulnerabilities
- TI-2024-24572 Ollama before 0.1.34 does not validate the format of the digest (sha256 with 64 hex… CVSS 3.1HIGH 8.8
- TI-2025-14153 Ollama Multi-Modal Model Image Processing NULL Pointer Dereference CVSS 4.0HIGH 8.7
- TI-2024-26641 An issue was discovered in Ollama before 0.1.46. CVSS 3.1HIGH 8.2
- TI-2025-41097 An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder CVSS 3.1HIGH 7.5
- TI-2025-01720 Improper Validation of Array Index in ollama/ollama CVSS 3.0HIGH 7.5
- TI-2025-00256 Divide By Zero in ollama/ollama CVSS 3.1HIGH 7.5
Sources
- CVE-2025-66960 · CVE Program
- CVE-2025-66960 · NVD
- FIRST EPSS
- GHSA-jr3x-q8gx-4gw3 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-66960 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences