Home

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.

PUBLISHED Reserved 2026-03-28 | Published 2026-03-28 | Updated 2026-03-30 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Out-of-bounds Write

Product status

1.5.8e-1kali1
affected

Credits

Juan Sacco <juan.sacco@kpn.com> at KPN Red Team - http://www.kpn.com finder

References

www.exploit-db.com/exploits/42076 (ExploitDB-42076) exploit

www.varaneckas.com/jad/ (Official Product Homepage) product

www.vulncheck.com/...d-buffer-overflow-remote-code-execution (VulnCheck Advisory: JAD 1.5.8e-1kali1 Stack-Based Buffer Overflow Remote Code Execution) third-party-advisory

cve.org (CVE-2016-20049)

nvd.nist.gov (CVE-2016-20049)

Download JSON