HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2017-20228 — Flat Assembler 1.71.21 contains a stack-based buffer overflow vulnerability that...

Saturday, March 28, 2026 at 12:16 PM UTC·Source: NIST NVD

Updated: Friday, April 3, 2026 at 02:38 AM UTC

Executive 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.

Analysis

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. CVSS Score: 8.4. Published: 2026-03-28T12:16:02.200.

Indicators of Compromise (1)

CVE (1)
CVE-2017-20228
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Mar 28, 2026. Verified by: NIST.

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