NI LabVIEW up to 22.x/23.3.8/24.3.5/25.3.3/26.1.0 VI File Parser aligned_free out-of-bounds

Summaryinfo

A vulnerability was found in NI LabVIEW up to 22.x/23.3.8/24.3.5/25.3.3/26.1.0 and classified as critical. Affected is the function aligned_free of the component VI File Parser. The manipulation results in out-of-bounds. This vulnerability is identified as CVE-2026-32864. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in NI LabVIEW up to 22.x/23.3.8/24.3.5/25.3.3/26.1.0. Affected is the function aligned_free of the component VI File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

There is a memory corruption vulnerability due to an out-of-bounds read in mgcore_SH_25_3!aligned_free() in NI LabVIEW.  This vulnerability may result in information disclosure or arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted VI file. This vulnerability affects NI LabVIEW 2026 Q1 (26.1.0) and prior versions.

The weakness was released by Michael Heinzl. The advisory is available at ni.com. This vulnerability is traded as CVE-2026-32864 since 03/16/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 23.0.0, 23.3.9, 24.3.6, 25.3.4 or 26.1.1 eliminates this vulnerability.

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Productinfo

Vendor

• NI

Name

• LabVIEW

Version

• 22.x
• 23.3.0
• 23.3.1
• 23.3.2
• 23.3.3
• 23.3.4
• 23.3.5
• 23.3.6
• 23.3.7
• 23.3.8
• 24.3.0
• 24.3.1
• 24.3.2
• 24.3.3
• 24.3.4
• 24.3.5
• 25.3.0
• 25.3.1
• 25.3.2
• 25.3.3
• 26.0
• 26.1.0

CPE 2.3info

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CPE 2.2info

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