MLX has Wild Pointer Dereference in load_gguf()
Priority MEDIUM 64CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-476.
Summary
MLX is an array framework for machine learning on Apple silicon. Prior to version 0.29.4, there is a segmentation fault in mlx::core::load_gguf() when loading malicious GGUF files. Untrusted pointer from external gguflib library is dereferenced without validation, causing application crash. This issue has been patched in version 0.29.4.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00403 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mlx (ml-explore): 0.29.4mlx (PyPI): 0.29.4
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 |
|---|---|---|---|---|---|
| ml-explore | mlx | before 0.29.4 | 0.29.4 | Patch available | CNA |
| — | mlx (PyPI) | before 0.29.4 | 0.29.4 | Patch available | GHSA-j842-xgm4-wf88 |
- mlx Vendorml-explore Affected before 0.29.4 Fixed in 0.29.4 Patch available CNA
- mlx (PyPI) Vendor— Affected before 0.29.4 Fixed in 0.29.4 Patch available GHSA-j842-xgm4-wf88
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ml-explore:mlx:*:*:*:*:*:*:*:* | before 0.29.4 | Vulnerable | ml-explore |
- cpe:2.3:a:ml-explore:mlx:*:*:*:*:*:*:*:* Versions before 0.29.4 Vulnerable ·ml-explore
Remediation
- Fix · CNA mlx (ml-explore) Fixed in 0.29.4
- Fix · GHSA-j842-xgm4-wf88 mlx (PyPI) Fixed in 0.29.4 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Ansible Automation Platform 2
Timeline
- 2026-10-02 Threatist record created from CVE-2025-62609
- 2026-10-03 Alias added: GHSA-j842-xgm4-wf88
References
More ml-explore Mlx vulnerabilities
- TI-2025-38823 MLX has heap-buffer-overflow in load() CVSS 4.0MEDIUM 5.5
Sources
- CVE-2025-62609 · CVE Program
- CVE-2025-62609 · NVD
- FIRST EPSS
- GHSA-j842-xgm4-wf88 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-62609 · 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