{"id":"UBUNTU-CVE-2016-20041","details":"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.","modified":"2026-05-20T16:03:19.142640057Z","published":"2026-03-28T12:15:00Z","upstream":["CVE-2016-20041"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-20041"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-20041"},{"type":"REPORT","url":"https://www.exploit-db.com/exploits/39734"},{"type":"REPORT","url":"http://yasr.sourceforge.net/"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/yasr-5-buffer-overflow-via-command-line-parameter"}],"affected":[{"package":{"name":"yasr","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-5"],"ecosystem_specific":{"binaries":[{"binary_name":"yasr","binary_version":"0.6.9-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-6"],"ecosystem_specific":{"binaries":[{"binary_version":"0.6.9-6","binary_name":"yasr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-8","0.6.9-9"],"ecosystem_specific":{"binaries":[{"binary_name":"yasr","binary_version":"0.6.9-9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-10"],"ecosystem_specific":{"binaries":[{"binary_name":"yasr","binary_version":"0.6.9-10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-11"],"ecosystem_specific":{"binaries":[{"binary_name":"yasr","binary_version":"0.6.9-11"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-11","0.6.9-12"],"ecosystem_specific":{"binaries":[{"binary_version":"0.6.9-12","binary_name":"yasr"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}},{"package":{"name":"yasr","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/yasr?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.9-12","0.6.9-12build1"],"ecosystem_specific":{"binaries":[{"binary_name":"yasr","binary_version":"0.6.9-12build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20041.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"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"},{"type":"Ubuntu","score":"medium"}]}