What is CVE-2016-20038?

CVE-2016-20038 is a high-severity vulnerability in Werner Ytree, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.

How severe is CVE-2016-20038?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Werner Ytree

CVE-2016-20038

yTree 1.94-1.1 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an excessively long argument to the application. Attackers can craft a malicious command-line argument c…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Werner Ytree — versions 1.94-1.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-39406 (exploit)
Official Product Homepage (product)
VulnCheck Advisory: yTree 1.94-1.1 Stack-Based Buffer Overflow (third-party-advisory)

Frequently asked questions

What is CVE-2016-20038?: CVE-2016-20038 is a high-severity vulnerability in Werner Ytree, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.
How severe is CVE-2016-20038?: High severity. CVSS v3 base score is 8.4 out of 10.