High severity8.4NVD Advisory· Published Mar 28, 2026· Updated Apr 2, 2026
CVE-2017-20228
CVE-2017-20228
Description
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.
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Affected products
2cpe:2.3:a:flatassembler:flat_assembler:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:flatassembler:flat_assembler:*:*:*:*:*:*:*:*range: <=1.71.21
- (no CPE)range: = 1.71.21
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/42265nvdExploitVDB Entry
- www.vulncheck.com/advisories/flat-assembler-stack-based-buffer-overflow-ropnvdThird Party Advisory
- www.flatassembler.netnvdProduct
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