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Vulnerability record · CVE-2016-20041 · published 28 March 2026

CVE-2016-20041: Path traversal vulnerability

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.

8.6 CVSS 4.0 High EPSS 0.16% · top 95.1% CWE-22 · Path traversal Deferred
8.6CVSS 4.0 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
http://yasr.sourceforge.net/
https://www.exploit-db.com/exploits/39734
https://www.vulncheck.com/advisories/yasr-5-buffer-overflow-via-command-line-parameter

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Source: NIST National Vulnerability Database (record CVE-2016-20041), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.