CVE-2026-64197: Ni Dasylab

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

There is an out-of-bounds write vulnerability in DASYLab due to improper validation of user-supplied data, resulting in a write past the end of an allocated data structure. Successful exploitation requires an attacker to get a user to open a specially crafted .DSB file.  This issue affects all versions before 2026.0.0.

Affected products

• Ni Dasylab: before 2026.0 (fixed in 2026.0); version 2026.0 only

Published 2026-09-03. Last modified 2026-09-22.