CVE-2025-2634 Out of Bounds Read Vulnerability in NI LabVIEW when building font map
An attacker can achieve information disclosure or arbitrary code execution by tricking a user into opening a specially crafted VI in NI LabVIEW.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-2634?
CVE-2025-2634 is a high-severity memory corruption vulnerability in NI LabVIEW, published on 23 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Out of bounds read vulnerability due to improper bounds checking in NI LabVIEW in fontmgr 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.
Weakness: CWE-1285
Which versions are affected by CVE-2025-2634?
It affects 1 product.
Products include Ni Labview.
How do I fix CVE-2025-2634?
No fix has been published for CVE-2025-2634 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-2634 being exploited?
There is no known exploitation of CVE-2025-2634 in the wild and no public exploit code.
Other vulnerabilities in NI LabVIEW
- CVE-2013-5022 Path traversal in n/a
- CVE-2026-16233 Out-of-Bounds Write Vulnerability in NI LabVIEW when loading VI
- CVE-2026-16234 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
- CVE-2026-64201 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
- CVE-2026-64202 Out-of-Bounds Read Vulnerability in NI LabVIEW when loading VI
Sources
Also known as GHSA-rxm7-9j9m-hc3w.