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CVE-2024-6638

medium

An integer overflow vulnerability due to improper input validation when reading TDMS files in LabVIEW may result in an infinite loop.

Vendor / product: Ni — labview

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.

CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2024-07-22 20:15
Modified: 2026-11-11 21:16
NVD status: Analyzed
Last synced 4 hours ago
Verified against the source API 2026-11-11 21:41 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

ni / labview ≤2021, 2022, 2023, 2024

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

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

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-11 21:41 UTC · record ↗

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