Which versions of Mlx are affected by CVE-2025-62609?

Organizations using MLX should be aware of moderate risk from CVE-2025-62609, a null pointer dereference vulnerability rated CVSS 5.5.. A patch is available.

Is there a public PoC exploit available for CVE-2025-62609?

Yes, a public proof-of-concept exploit is available for CVE-2025-62609. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-62609?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Mlx CVE-2025-62609

Q: What is the CVSS score of CVE-2025-62609?

CVE-2025-62609 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

MEDIUM

NULL Pointer Dereference (CWE-476)

2025-11-21 security-advisories@github.com

Denial Of Service Null Pointer Dereference Apple Mlx Red Hat

5.5

CVSS 4.0 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Red Hat

5.3 MEDIUM

qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Dec 02, 2025 - 16:30 vuln.today

Public exploit code

CVE Published

Nov 21, 2025 - 19:16 nvd

MEDIUM 5.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

4 pypi packages depend on mlx (4 direct, 0 indirect)

Ecosystem-wide dependent count for version 0.29.4.

DescriptionGitHub Advisory

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.

AnalysisAI

MLX is an array framework for machine learning on Apple silicon. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. 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. Affected products include: Ml-Explore Mlx. Version information: version 0.29.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.

Vendor StatusVendor

CVE-2025-62609 vulnerability details – vuln.today

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