National InstrumentsCVE-2026-64200
National Instruments DASYLab: out-of-bounds read
High8.5CVE-2026-64200 · Published Sep 3, 2026 · updated Sep 22, 2026
There is an out-of-bounds read vulnerability in DASYLab due to improper validation of user-supplied data. This results in a read a past the end of an allocated heap buffer during string conversion. 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 versions
| Package | Affected | Fixed in |
|---|---|---|
| DASYLab Product | < 2026.0.0 | 2026.0.0 |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-125
More National Instruments advisories
All National Instruments| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 10 | National Instruments SystemLink: information disclosure | High8.4 | 26.5.0+1 more |
| Sep 3 | National Instruments DASYLab: out-of-bounds write | High8.5 | 2026.0.0 |
| Sep 3 | National Instruments DASYLab: out-of-bounds read | High8.5 | 2026.0.0 |
| Sep 3 | National Instruments DASYLab: out-of-bounds read | High8.6 | 2026.0.0 |
| Sep 3 | National Instruments DASYLab: out-of-bounds write | High8.5 | 2026.0.0 |
| Sep 3 | National Instruments DASYLab: out-of-bounds write | High8.5 | 2026.0.0 |