NVIDIA Triton Inference Server on Windows/Linux Python Backend buffer access with incorrect length value

Summaryinfo

A vulnerability identified as critical has been detected in NVIDIA Triton Inference Server on Windows/Linux. This affects an unknown function of the component Python Backend. Performing a manipulation results in buffer access with incorrect length value. This vulnerability is identified as CVE-2025-23318. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in NVIDIA Triton Inference Server on Windows/Linux (affected version not known). This affects some unknown functionality of the component Python Backend. The manipulation with an unknown input leads to a buffer access with incorrect length value vulnerability. CWE is classifying the issue as CWE-805. The product uses a sequential operation to read or write a buffer, but it uses an incorrect length value that causes it to access memory that is outside of the bounds of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

NVIDIA Triton Inference Server for Windows and Linux contains a vulnerability in the Python backend, where an attacker could cause an out-of-bounds write. A successful exploit of this vulnerability might lead to code execution, denial of service, data tampering, and information disclosure.

This vulnerability is uniquely identified as CVE-2025-23318 since 01/14/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/06/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• NVIDIA

Name

• Triton Inference Server

License

• commercial

Website

• Vendor: https://www.nvidia.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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