CVE-2016-20045
High
Description
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductHnb Project Hierarchical Notebook
PublishedMar 28, 2026
First seenMar 28, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hnb_project hierarchical_notebook | v ≤ 1.9.18-10 | — |
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