Out-of-Bounds Read in lvre!DataSizeTDR() in NI LabVIEW

There is an out of bounds read vulnerability in NI LabVIEW in lvre!DataSizeTDR() when parsing a corrupted VI file. 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. This vulnerability affects NI LabVIEW 2025 Q3 (25.3) and prior versions.