PT-2026-28228 · Hnb · Hierarchical Notebook

Published 2026-03-28 · Updated 2026-03-28 · CVE-2016-20045

NVD

CVSS v3.1

7.8

High

Base vector

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

HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -rc command-line parameter. Attackers can craft a malicious input string exceeding 108 bytes containing shellcode and a return address to overwrite the stack and achieve code execution.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2016-20045

Affected Products

Hierarchical Notebook

References · 4

• 🔥 https://exploit-db.com/exploits/40025 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2016-20045 · Security Note
• https://vulncheck.com/advisories/hnb-organizer-10-local-buffer-overflow-via-rc-parameter · Note
• http://hnb.sourceforge.net · Note