CVE-2017-20227 CRITICAL

CVE-2017-20227: JAD 1.5.8e-1kali1 Stack-Based Buffer Overflow

Vendor Varaneckas
Product JAD Java Decompiler
Weakness CWE-787
Published March 28, 2026
Last update April 1, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 28, 2026 CVE published
April 1, 2026 Record updated