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ZDI-26-630: NI LabVIEW VI File Parsing Integer Overflow Information Disclosure Vulnerability
ZDI disclosed CVE-2026-18445, an integer overflow in NI LabVIEW VI file parsing that can disclose sensitive information, rated CVSS 3.3.
The Zero Day Initiative published advisory ZDI-26-630 describing an integer overflow vulnerability in NI LabVIEW's parsing of VI files. Exploitation can disclose sensitive information and requires user interaction, such as visiting a malicious page or opening a malicious file. ZDI assigned the flaw a CVSS rating of 3.3.
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ZDI-26-631: NI LabVIEW VI File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
ZDI disclosed CVE-2026-18444, an out-of-bounds read in NI LabVIEW VI file parsing that can disclose sensitive information, rated CVSS 3.3.
The Zero Day Initiative published advisory ZDI-26-631 describing an out-of-bounds read vulnerability in NI LabVIEW's parsing of VI files. Exploitation can disclose sensitive information and requires user interaction, such as visiting a malicious page or opening a malicious file. ZDI assigned the flaw a CVSS rating of 3.3.
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[Control Systems] National Instruments security advisory (AV26-856)
Canada's Cyber Centre relayed National Instruments advisories for memory corruption, out-of-bounds read, and out-of-bounds write flaws in LabVIEW versions.
The Canadian Centre for Cyber Security published control systems advisory AV26-856 covering National Instruments LabVIEW. Affected versions include releases before 23.0.0, 23.3.10, 24.3.7, 25.3.5, and 26.3.1. The flaws include memory corruption, an integer conversion out-of-bounds read, and an integer overflow out-of-bounds write. Users and administrators are urged to review the links and apply NI security updates.
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