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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.

PUBLISHED Reserved 2026-03-28 | Published 2026-03-28 | Updated 2026-03-30 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

0.6.9-5
affected

Credits

Juan Sacco - http://www.exploitpack.com - jsacco@exploitpack.com, Juan Sacco" finder

References

www.exploit-db.com/exploits/39734 (ExploitDB-39734) exploit

yasr.sourceforge.net/ (Official Product Homepage) product

www.vulncheck.com/...fer-overflow-via-command-line-parameter (VulnCheck Advisory: Yasr 0.6.9-5 Buffer Overflow via Command-line Parameter) third-party-advisory

cve.org (CVE-2016-20041)

nvd.nist.gov (CVE-2016-20041)

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