CVE-2016-20041

HIGH

Yasr 0.6.9-5 Buffer Overflow via Command-line Parameter

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-20041. PoCs published by Juan Sacco.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in Yasr Console Screen Reader version 0.6.9-5. It constructs a malicious payload with shellcode to achieve arbitrary code execution via a crafted command-line argument.

Description

Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.

Exploits (1)

exploitdb WORKING POC
by Juan Sacco · pythonlocallinux
https://www.exploit-db.com/exploits/39734

This exploit demonstrates a buffer overflow vulnerability in Yasr Console Screen Reader version 0.6.9-5. It constructs a malicious payload with shellcode to achieve arbitrary code execution via a crafted command-line argument.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Yasr Console Screen Reader 0.6.9-5
No auth needed
Prerequisites: Yasr Console Screen Reader 0.6.9-5 installed on the target system
devstral-2 · analyzed Apr 08, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-39734
https://www.exploit-db.com/exploits/39734
Product product
Official Product Homepage
http://yasr.sourceforge.net/
Third Party Advisory third-party-advisory
VulnCheck Advisory: Yasr 0.6.9-5 Buffer Overflow via Command-line Parameter
https://www.vulncheck.com/advisories/yasr-5-buffer-overflow-via-command-line-parameter

Scores

CVSS v3 8.4
EPSS 0.0016
EPSS Percentile 5.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-22
Status published
Products (1)
yasr/Yasr Screen Reader 0.6.9-5
Published Mar 28, 2026
Tracked Since Mar 29, 2026