CVE-2025-2633

Out of Bounds Read Vulnerability in NI LabVIEW when loading fonts

State: Published
Severity: 7.3 High
Published: Jul 23, 2025
Updated: Jul 23, 2025
Reserved: Mar 21, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	7.3 High	CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	NI
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	NI

Weaknesses

CWE-1285 Improper Validation of Specified Index, Position, or Offset in Input

Affected Products

Product	Versions
LabVIEWNI	22.3.5 and earlierAffected 23.0.0 through 23.3.6Affected 24.0.0 through 24.3.3Affected 25.0.0 to before 25.3.0Affected

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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