CVE-2016-20047 in EKG Gadu
Summary
EKG Gadu 1.9~pre+r2855-3+b1 contains a local buffer overflow vulnerability in the username handling that allows local attackers to execute arbitrary code by supplying an oversized username string. Attackers can trigger the overflow in the strlcpy function by passing a crafted buffer exceeding 258 bytes 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 | EKG Gadu strlcpy out-of-bounds write | 787 | Unknown | Proof-of-Concept | Not defined | 0.00013 | 3.41 | CVE-2016-20047 |