CVE-2025-23335Network attack vector

Service interruption via shape-tensor size underflow

Published Aug 6, 2025 · Updated Aug 6, 2025

Integer underflow in NVIDIA Triton Inference Server before 25.05 allows remote authenticated users to interrupt service via inference input. TensorRT backend ShapeTensor::SetDataFromBuffer subtracts datatype_size from size_ and passes the wrapped result to memcpy without rejecting undersized buffers. Exploitation requires high privileges, a specific model configuration, and a matching input; NVIDIA has not disclosed whether interruption is a crash, hang, or other failure mode.

CVSS severity4.4
Medium
EPSS probability0.49%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Integer underflow in NVIDIA Triton Inference Server before 25.05 allows remote authenticated users to interrupt service via inference input. TensorRT backend ShapeTensor::SetDataFromBuffer subtracts datatype_size from size_ and passes the wrapped result to memcpy without rejecting undersized buffers. Exploitation requires high privileges, a specific model configuration, and a matching input; NVIDIA has not disclosed whether interruption is a crash, hang, or other failure mode.

The record

CVE
CVE-2025-23335
Published
Aug 6, 2025
Updated
Aug 6, 2025
Vendor
DPDK Project
Product
Triton Inference Server
Classifications
CWE-191, T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All versions prior to 25.05

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

DPDK Project · Triton Inference Serverversion=All versions prior to 25.05

Published CVSS scores

4.4NVIDIACVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-191Integer Underflow (Wrap or Wraparound)
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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