CVE-2025-2633 - CVE House

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Status published High CVE-2025-2633

Out of Bounds Read Vulnerability in NI LabVIEW when loading fonts

7.3 CVSS

Vulnerability Description

Out of bounds read vulnerability due to improper bounds checking in NI LabVIEW in lvre!UDecStrToNum that may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI. This vulnerability affects NI LabVIEW 2025 Q1 and prior versions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Michael Heinzl working with CISA

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/out-of-bounds-read-vulnerabilities-in-ni-labview.html

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Affected Vendor

NI

View all reports →

Affected Software

LabVIEW

Vulnerable Versions:

0, 23.0.0, 24.0.0, 25.0.0

Timeline

Official Publish: July 23rd, 2025

Last Modified: July 23rd, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.