HIGHVulnerability
Verified
Global
NVD HIGH: CVE-2016-20046 — zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the N...
Saturday, March 28, 2026 at 12:16 PM UTC·Source: NIST NVD
Updated: Friday, April 3, 2026 at 02:38 AM UTC
Executive Summary
zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized NAME value exceeding the 80-byte buffer allocated in strcpy_chk to overwrite the instruction pointer and execute shellcode with user privileges.
Analysis
zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized NAME value exceeding the 80-byte buffer allocated in strcpy_chk to overwrite the instruction pointer and execute shellcode with user privileges.
CVSS Score: 8.4. Published: 2026-03-28T12:16:00.827.