CVE-2019-25627
High · 8.4CVSS
8.4
EPSS
0.3%
Published
Mar 24, 2026
CISA due date
—
The record
FlexHEX 2.71 contains a local buffer overflow vulnerability in the Stream Name field that allows local attackers to execute arbitrary code by triggering a structured exception handler (SEH) overflow. Attackers can craft a malicious text file with carefully aligned shellcode and SEH chain pointers, paste the contents into the Stream Name dialog, and execute arbitrary commands like calc.exe when the exception handler is triggered.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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