CVE-2025-23324
NVIDIA · NVIDIA Triton Inference Server for Windows and Linux
A high-severity vulnerability has been identified in the NVIDIA Triton Inference Server, a key component for deploying artificial intelligence models.
Executive summary
A high-severity vulnerability has been identified in the NVIDIA Triton Inference Server, a key component for deploying artificial intelligence models. An unauthenticated attacker can send a specially crafted request to the server, causing it to crash and become unavailable. This presents a significant denial-of-service risk, which could disrupt critical business applications and services that rely on AI-driven functionalities.
Vulnerability
The vulnerability is an integer overflow within the NVIDIA Triton Inference Server. An attacker can exploit this by sending a network request containing specific, malformed data with invalid numerical values. When the server processes this invalid request, the flawed code attempts a calculation that results in a number exceeding the capacity of the intended variable (integer overflow), leading to a memory access error known as a segmentation fault, which immediately terminates the server process and causes a denial of service.
Business impact
This vulnerability is rated as High severity with a CVSS score of 7.5. Exploitation of this flaw can lead to a complete denial of service for the Triton Inference Server. For organizations that rely on this platform for production AI/ML workloads—such as real-time analytics, recommendation engines, or natural language processing services—an outage can result in direct financial loss, operational disruption, and reputational damage. The primary risk is the abrupt and repeated termination of critical AI-powered services, rendering them unavailable to users and internal systems.
Remediation
Immediate Action: Organizations must prioritize the deployment of security updates provided by NVIDIA across all affected Triton Inference Server instances. After patching, administrators should confirm that the service is running the updated version and functioning correctly.
Proactive Monitoring: Security teams should actively monitor for potential exploitation attempts. This includes reviewing Triton server logs for an increase in segmentation faults or unexpected crashes. Network and application access logs should be inspected for unusual or malformed requests, particularly those containing abnormally large or negative values in their parameters, which are indicative of attempts to trigger an integer overflow.
Compensating Controls: If immediate patching is not feasible, implement the following controls to reduce risk:
- Place the Triton Inference Server behind a Web Application Firewall (WAF) or API gateway with strict input validation rules to block requests with out-of-bounds or malformed numerical data.
- Enforce network segmentation to restrict access to the Triton server, ensuring that only trusted and authorized clients can communicate with it.
- Configure automated service restart mechanisms to minimize downtime in the event of a successful denial-of-service attack, though this does not prevent the exploit itself.
Exploitation status
Public Exploit Available: false
Analyst recommendation
Given the High severity rating (CVSS 7.5) and the critical role of AI inference servers in business operations, this vulnerability poses a significant risk. The primary impact is a denial of service, which can halt revenue-generating or mission-critical applications. We strongly recommend that organizations apply the vendor-supplied security patches to all affected systems as a top priority. While there is no current evidence of active exploitation, proactive patching is the most effective defense to prevent future disruption.