CVE-2026-64200

8.5 highEPSS 0.2%

High (8.5) in ni dasylab. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.5 high

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

CVSS 3.1

7.3 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-09-03
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

Affected

ni:dasylab

References

https://www.measx.com/en/service/productsecurity/security-updates-for-measx-software/159-securityupdates/1070-out-of-bounds-read-vulnerabilities-in-dasylab-2.html

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