CVE-2024-6638: labview Integer Overflow — Fix

Description

An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop. Successful exploitation requires an attacker to provide a user with a specially crafted TDMS file. This vulnerability affects LabVIEW 2024 Q1 and prior versions.

Is your site exposed to CVE-2024-6638?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor	Product	Versions
ni	labview	< 2021
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All
ni	labview	All

References

Advisories & Patches

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/integer-overflow-vulnerability-reading-tdms-files-in-labview.html https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/integer-overflow-vulnerability-reading-tdms-files-in-labview.html

Frequently Asked Questions

What is CVE-2024-6638? +

An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop. Successful exploitation requires an attacker to provide a user with a specially crafted TDMS file. This vulnerability affects LabVIEW 2024 Q1 and prior versions. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-6638? +

CVE-2024-6638 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-6638? +

CVE-2024-6638 affects products from ni, specifically: labview. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6638? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-53910

diff3 tool from GNU diffutils is vulnerable to a heap‑based buffer overflow due to multiple signed integer overflows in line‑mapping …

CVE-2025-2574

Out-of-bounds array write in Xpdf 4.05 and earlier, due to incorrect integer overflow checking in the PostScript function interpreter code.

CVE-2025-46333

z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when …

CVE-2024-30212

If a SCSI READ(10) command is initiated via USB using the largest LBA (0xFFFFFFFF) with it's default block size of …

CVE-2025-52935

Integer Overflow or Wraparound vulnerability in dragonflydb dragonfly (src/redis/lua/struct modules). This vulnerability is associated with program files lua_struct.C. This issue …

CVE-2025-7709

An integer overflow exists in the FTS5 https://sqlite.org/fts5.html extension. It occurs when the size of an array of tombstone pointers …

CVE-2024-6638