CVE-2025-23321 Denial of service in Triton Inference Server
An attacker can cause a denial of service in NVIDIA Triton Inference Server by sending an invalid request that triggers a divide by zero error.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-23321?
CVE-2025-23321 is a high-severity denial of service vulnerability in Nvidia Triton Inference Server, published on 6 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NVIDIA Triton Inference Server for Windows and Linux contains a vulnerability where a user could cause a divide by zero issue by issuing an invalid request. A successful exploit of this vulnerability might lead to denial of service.
Weakness: CWE-369
Which versions are affected by CVE-2025-23321?
It affects 1 product.
Products include Nvidia Triton Inference Server.
How do I fix CVE-2025-23321?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-23321 being exploited?
There is no known exploitation of CVE-2025-23321 in the wild and no public exploit code.
Other vulnerabilities in Nvidia Triton Inference Server
Sources
Also known as GHSA-pq8j-2jpv-8gr6, MINI-c6f7-748q-h4wc.