CVE-2026-64198

Received Received - Intake

Out-of-Bounds Read in DASYLab via Malicious .DSB File

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: National Instruments

Description

There is an out-of-bounds read vulnerability in DASYLab due to improper validation of user-supplied data. This results in a read a few bytes past the end of an allocated heap buffer during file handling. Successful exploitation requires an attacker to get a user to open a specially crafted .DSB file. This issue affects all versions before 2026.0.0.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-03

Last Modified

2026-09-03

Generated

2026-09-04

AI Q&A

2026-09-04

EPSS Evaluated

N/A

NVD

CVE-2026-64198

Affected Vendors & Products

Vendor	Product	Version / Range
ni	dasy_lab	to 2026.0.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in DASYLab caused by improper validation of user-supplied data. It allows reading a few bytes past the end of an allocated heap buffer during file handling. Exploitation requires tricking a user into opening a specially crafted .DSB file.

Detection Guidance

Detecting this vulnerability requires checking for vulnerable versions of DASYLab. Inspect installed software versions and verify if they are below 2026.0.0. No specific commands are provided for detection beyond version checks.

Impact Analysis

Successful exploitation could lead to unauthorized data access, application crashes, or potential code execution. Attackers might steal sensitive information or disrupt operations by leveraging the out-of-bounds read.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for data protection. Organizations using vulnerable DASYLab versions may face compliance penalties, legal liabilities, and reputational damage.

Mitigation Strategies

Immediately update DASYLab to version 2026.0.0 or later. Avoid opening .DSB files from untrusted sources until the update is applied. Monitor vendor advisories for further guidance.

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