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CVE-2010-20049

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CVE-2010-20049

Published: Aug 20, 2025

Modified: May 15, 2026

PUBLISHED

Description

LeapFTP < 3.1.x contains a stack-based buffer overflow vulnerability in its FTP client parser. When the client receives a directory listing containing a filename longer than 528 bytes, the application fails to properly bound-check the input and overwrites the Structured Exception Handler (SEH) chain. This allows an attacker operating a malicious FTP server to execute arbitrary code on the victim’s machine when the file is listed or downloaded.

VendorProductVersions

LeapWare

LeapFTP

affected
0 - < 3.1.*

Weaknesses (CWE)

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