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CVE-2026-64196— Out Of Bounds Write when parsing a .DSB file in DASYLab due to improper validation of user-supplied data, resulting in a write past the end of an allocated heap

Quick assessment

Affected
measX DASYLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

measX DASYLab是measX公司的一款图形化数据采集与分析软件。 measX DASYLab 2026.0.0之前版本存在缓冲区错误漏洞，该漏洞源于对用户提供的数据验证不当，导致越界写入已分配的堆，攻击者可利用特制的.DSB文件诱使用户打开以触发该漏洞。

CVSS 7.8 · High EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1079

Affected Version Matrix 1

VendorProduct Version RangeStatus
measX DASYLab < 2026.0.0 affected
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I. Basic Information for CVE-2026-64196

Vulnerability Information
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Vulnerability Title
Out Of Bounds Write when parsing a .DSB file in DASYLab due to improper validation of user-supplied data, resulting in a write past the end of an allocated heap
Source: CVE Program / CVE List V5
Vulnerability Description
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 heap. 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
measX DASYLab 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
measX DASYLab是measX公司的一款图形化数据采集与分析软件。 measX DASYLab 2026.0.0之前版本存在缓冲区错误漏洞，该漏洞源于对用户提供的数据验证不当，导致越界写入已分配的堆，攻击者可利用特制的.DSB文件诱使用户打开以触发该漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
measX DASYLab 0 ~ 2026.0.0 -

II. Public POCs for CVE-2026-64196

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III. Intelligence Information for CVE-2026-64196

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Vendor Advisories for CVE-2026-64196 (1)

Same Patch Batch · measX · 2026-09-03 · 6 CVEs total

CVE-2026-64197 7.8 HIGH Out Of Bounds Write when parsing a .DSB file in DASYLab due to improper validation of user
CVE-2026-64195 7.8 HIGH Out Of Bounds Write parsing a .DSB file in DASYLab due to lack of proper validation of use
CVE-2026-64199 7.8 HIGH Out Of Bounds Read outside the bounds of an allocated data structure when parsing a .DSB f
CVE-2026-64198 7.8 HIGH Out Of Bounds Read in file handling when parsing a .DSB file in DASYLab
CVE-2026-64200 7.8 HIGH Out Of Bounds Read in during string conversionwhen parsing a .DSB file in DASYLab

IV. Related Vulnerabilities

Same product: DASYLab
Same vendor: measX
Same weakness: CWE-787