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GHSA-4g2g-3x54-996g

Опубликовано: 24 мар. 2026
Источник: github
Github: Не прошло ревью
CVSS4: 8.6
CVSS3: 8.4

Описание

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.

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.

EPSS

Процентиль: 6%
0.00023
Низкий

8.6 High

CVSS4

8.4 High

CVSS3

Дефекты

CWE-434

Связанные уязвимости

CVSS3: 8.4
nvd
21 день назад

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.

EPSS

Процентиль: 6%
0.00023
Низкий

8.6 High

CVSS4

8.4 High

CVSS3

Дефекты

CWE-434