What’s Vulnerable › Vulnerabilities

CVE-2016-20049: JAD 1.5.8e-1kali1 Stack-Based Buffer Overflow Remote Code Execution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-28 · updated 2026-06-17
• Weakness: CWE-787

Description

JAD 1.5.8e-1kali1 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 8150 bytes to overflow the stack, overwrite return addresses, and execute shellcode in the application context.

Affected products

• Varaneckas JAD Java Decompiler: 1.5.8e-1kali1

References

• http://www.varaneckas.com/jad/
• https://www.exploit-db.com/exploits/42076
• https://www.vulncheck.com/advisories/jad-8e-1kali1-stack-based-buffer-overflow-remote-code-execution

Get alerted when CVE-2016-20049 or the next vulnerability affects your stack