CVE-2017-20227

CRITICAL

9.8

Description

JAD Java Decompiler 1.5.8e-1kali1 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying overly long input that exceeds buffer boundaries. Attackers can craft malicious input passed to the jad command to overflow the stack and execute a return-oriented programming chain that spawns a shell.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/28/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-787

References

http://www.varaneckas.com/jad/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/42255(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/jad-8e-1kali1-stack-based-buffer-overflow(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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