{"id":"UBUNTU-CVE-2018-7226","details":"An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.","modified":"2025-10-24T04:46:56Z","published":"2018-02-19T17:29:00Z","upstream":["CVE-2018-7226"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-7226"},{"type":"REPORT","url":"https://github.com/LibVNC/vncterm/issues/6"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2018/02/18/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-7226"}],"affected":[{"package":{"name":"vncterm","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/vncterm@0.9.10-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10-2","binary_name":"linuxvnc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7226.json"}},{"package":{"name":"vncterm","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/vncterm@0.9.10-2build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2","0.9.10-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10-2build1","binary_name":"linuxvnc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7226.json"}},{"package":{"name":"vncterm","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/vncterm@0.9.10-2build1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10-2build1","binary_name":"linuxvnc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7226.json"}},{"package":{"name":"vncterm","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/vncterm@0.9.10-2build1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10-2build1","binary_name":"linuxvnc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7226.json"}},{"package":{"name":"vncterm","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/vncterm@0.9.10-2build1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.10-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10-2build1","binary_name":"linuxvnc"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-7226.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}