CVE-2025-23339 Memory corruption in NVIDIA CUDA Toolkit

Low 3.3 Published 24 Sep 2025 Updated 26 Feb 2026

Attackers can execute arbitrary code by tricking users into running cuobjdump on a malicious ELF file, affecting CUDA Toolkit users.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-23339?

CVE-2025-23339 is a low-severity memory corruption vulnerability in NVIDIA CUDA Toolkit, published on 24 Sep 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

NVIDIA CUDA Toolkit for all platforms contains a vulnerability in cuobjdump where an attacker may cause a stack-based buffer overflow by getting the user to run cuobjdump on a malicious ELF file. A successful exploit of this vulnerability may lead to arbitrary code execution at the privilege level of the user running cuobjdump.

Weakness: CWE-121

Which versions are affected by CVE-2025-23339?

It affects 1 product.

Products include Nvidia Cuda Toolkit.

How do I fix CVE-2025-23339?

No fix has been published for CVE-2025-23339 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-23339 being exploited?

There is no known exploitation of CVE-2025-23339 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as DEBIAN-CVE-2025-23339, GHSA-68h8-653h-4qm6, UBUNTU-CVE-2025-23339.