PT-2026-28234 · Flatassembler · Flat Assembler

Published 2026-03-28 · Updated 2026-03-28 · CVE-2017-20228

NVD

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2017-20228

Affected Products

Flat Assembler

References · 4

• 🔥 https://exploit-db.com/exploits/42265 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-20228 · Security Note
• http://flatassembler.net · Note
• https://vulncheck.com/advisories/flat-assembler-stack-based-buffer-overflow-rop · Note