CVE-2016-20042

HIGH 8.4

TRN 3.6-23 Stack Buffer Overflow Local Code Execution

CVSS Score

8.4

EPSS Score

0.0%

EPSS Percentile

2th

TRN 3.6-23 contains a stack buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the application. Attackers can craft a malicious command-line argument with 156 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.

CWE	CWE-787
Vendor	trn
Product	threaded usenet news reader
Published	Mar 28, 2026
Last Updated	Mar 30, 2026

Stay Ahead of the Next One

Get instant alerts for trn threaded usenet news reader

Be the first to know when new high vulnerabilities affecting trn threaded usenet news reader are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

trn / Threaded USENET News Reader

3.6-23

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/39764 sourceforge.net: https://sourceforge.net/projects/trn/ vulncheck.com: https://www.vulncheck.com/advisories/trn-23-stack-buffer-overflow-local-code-execution

Credits

Juan Sacco - http://www.exploitpack.com - [email protected]