CVE-2017-20227
JAD 1.5.8e-1kali1 Stack-Based Buffer Overflow
CRITICAL 9.3EPSS 0.7%
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.
- Affected
- Varaneckas · JAD Java Decompiler
- CVSS v4.0 VULNCHECK
- 9.3 CRITICAL
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 VULNCHECK
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.67% chance of exploitation in the next 30 days, 51st percentile
- Published
- 2026-03-28
- Updated
- 2026-04-01
Proof-of-concept exploits (1)
Security advisories
- https://www.vulncheck.com/advisories/jad-8e-1kali1-stack-based-buffer-overflow
- http://www.varaneckas.com/jad