CVE-2016-20046 in zFTP Client
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.
Responsible
VulnCheck
Reservation
03/28/2026
Disclosure
03/28/2026
Entries
| Published | Base | Temp | Vulnerability | CWE | Prod | Exp | Cou | EPSS | CTI | CVE |
|---|---|---|---|---|---|---|---|---|---|---|
| 03/28/2026 | 6.8 | 6.6 | zFTP Client strcpy_chk out-of-bounds write | 787 | Unknown | Proof-of-Concept | Not defined | 0.00013 | 2.44 | CVE-2016-20046 |