CVE-2017-20228 in Flatassembler Flat Assembler
Summary
Flat Assembler 1.71.21 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input to the application. Attackers can craft malicious assembly input exceeding 5895 bytes to overwrite the instruction pointer and execute return-oriented programming chains for shell command execution.
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 | Flatassembler Flat Assembler out-of-bounds write | 787 | Unknown | Proof-of-Concept | Not defined | 0.00013 | 3.11 | CVE-2017-20228 |