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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Mar 28, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe flatassembler/flat assemblerversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2017-20228

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2017-20228

  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 pointe

  nvd.nist.gov

References

• Product · flatassembler.net
• Exploit · exploit-db.com
• Third Party Advisory · vulncheck.com