High severity8.4NVD Advisory· Published Mar 24, 2026· Updated Apr 15, 2026
CVE-2019-25627
CVE-2019-25627
Description
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 products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- www.exploit-db.com/exploits/46665nvdExploitVDB Entry
- www.vulncheck.com/advisories/flexhex-local-buffer-overflow-via-seh-unicodenvdThird Party Advisory
- www.flexhex.comnvdBroken LinkProduct
- www.flexhex.com/download/flexhex_setup.exenvdBroken LinkProduct
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