{"id":"UBUNTU-CVE-2020-14404","details":"An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.","modified":"2026-05-20T16:06:21.282873843Z","published":"2020-06-17T16:15:00Z","related":["USN-4434-1","USN-4573-1"],"upstream":["CVE-2020-14404"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14404"},{"type":"REPORT","url":"https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4434-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4573-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14404"}],"affected":[{"package":{"name":"x11vnc","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/x11vnc?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.13-1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.13-1.1","binary_name":"x11vnc"},{"binary_version":"0.9.13-1.1","binary_name":"x11vnc-data"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"libvncserver","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libvncserver?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.10+dfsg-3ubuntu0.16.04.5"}]}],"versions":["0.9.10+dfsg-3","0.9.10+dfsg-3build1","0.9.10+dfsg-3ubuntu0.16.04.1","0.9.10+dfsg-3ubuntu0.16.04.2","0.9.10+dfsg-3ubuntu0.16.04.3","0.9.10+dfsg-3ubuntu0.16.04.4"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.10+dfsg-3ubuntu0.16.04.5","binary_name":"libvncclient1"},{"binary_version":"0.9.10+dfsg-3ubuntu0.16.04.5","binary_name":"libvncserver-config"},{"binary_version":"0.9.10+dfsg-3ubuntu0.16.04.5","binary_name":"libvncserver1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"vino","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/vino?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.1-0ubuntu9.3"}]}],"versions":["3.8.1-0ubuntu6","3.8.1-0ubuntu7","3.8.1-0ubuntu8","3.8.1-0ubuntu9","3.8.1-0ubuntu9.1","3.8.1-0ubuntu9.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.8.1-0ubuntu9.3","binary_name":"vino"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"libvncserver","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libvncserver?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.11+dfsg-1ubuntu1.3"}]}],"versions":["0.9.11+dfsg-1","0.9.11+dfsg-1ubuntu1","0.9.11+dfsg-1ubuntu1.1","0.9.11+dfsg-1ubuntu1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.11+dfsg-1ubuntu1.3","binary_name":"libvncclient1"},{"binary_version":"0.9.11+dfsg-1ubuntu1.3","binary_name":"libvncserver-config"},{"binary_version":"0.9.11+dfsg-1ubuntu1.3","binary_name":"libvncserver1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"vino","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/vino?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-3ubuntu1.1"}]}],"versions":["3.8.1-0ubuntu12","3.22.0-2ubuntu1","3.22.0-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.22.0-3ubuntu1.1","binary_name":"vino"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"libvncserver","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libvncserver?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.12+dfsg-9ubuntu0.2"}]}],"versions":["0.9.11+dfsg-1.3","0.9.12+dfsg-3ubuntu3","0.9.12+dfsg-6","0.9.12+dfsg-7","0.9.12+dfsg-8","0.9.12+dfsg-9","0.9.12+dfsg-9ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.9.12+dfsg-9ubuntu0.2","binary_name":"libvncclient1"},{"binary_version":"0.9.12+dfsg-9ubuntu0.2","binary_name":"libvncserver1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"vino","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/vino?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.22.0-5ubuntu2.1"}]}],"versions":["3.22.0-5ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.22.0-5ubuntu2.1","binary_name":"vino"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"veyon","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/veyon?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.4+repack1-2","4.2.5+repack1-1","4.3.1+repack1-1","4.3.1+repack1-2","4.3.1+repack1-2build1","4.3.1+repack1-2build2"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.1+repack1-2build2","binary_name":"libveyon-core"},{"binary_version":"4.3.1+repack1-2build2","binary_name":"veyon-configurator"},{"binary_version":"4.3.1+repack1-2build2","binary_name":"veyon-master"},{"binary_version":"4.3.1+repack1-2build2","binary_name":"veyon-plugins"},{"binary_version":"4.3.1+repack1-2build2","binary_name":"veyon-service"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"veyon","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/veyon?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.3+repack1-1build1","4.5.3+repack1-1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"4.5.3+repack1-1build2","binary_name":"libveyon-core"},{"binary_version":"4.5.3+repack1-1build2","binary_name":"veyon-configurator"},{"binary_version":"4.5.3+repack1-1build2","binary_name":"veyon-master"},{"binary_version":"4.5.3+repack1-1build2","binary_name":"veyon-plugins"},{"binary_version":"4.5.3+repack1-1build2","binary_name":"veyon-service"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"veyon","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/veyon?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.5+repack1-1build2","4.7.5+repack1-1ubuntu1","4.7.5+repack1-1ubuntu3","4.7.5+repack1-1ubuntu4","4.7.5+repack1-1ubuntu5"],"ecosystem_specific":{"binaries":[{"binary_version":"4.7.5+repack1-1ubuntu5","binary_name":"libveyon-core"},{"binary_version":"4.7.5+repack1-1ubuntu5","binary_name":"veyon-configurator"},{"binary_version":"4.7.5+repack1-1ubuntu5","binary_name":"veyon-master"},{"binary_version":"4.7.5+repack1-1ubuntu5","binary_name":"veyon-plugins"},{"binary_version":"4.7.5+repack1-1ubuntu5","binary_name":"veyon-service"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"veyon","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/veyon?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.5+repack1-1ubuntu6","4.7.5+repack1-1ubuntu7","4.9.7+repack1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.9.7+repack1-1","binary_name":"libveyon-core"},{"binary_version":"4.9.7+repack1-1","binary_name":"veyon-configurator"},{"binary_version":"4.9.7+repack1-1","binary_name":"veyon-master"},{"binary_version":"4.9.7+repack1-1","binary_name":"veyon-plugins"},{"binary_version":"4.9.7+repack1-1","binary_name":"veyon-service"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}},{"package":{"name":"veyon","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/veyon?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.7+repack1-1","4.9.7+repack1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.9.7+repack1-1build1","binary_name":"libveyon-core"},{"binary_version":"4.9.7+repack1-1build1","binary_name":"veyon-configurator"},{"binary_version":"4.9.7+repack1-1build1","binary_name":"veyon-master"},{"binary_version":"4.9.7+repack1-1build1","binary_name":"veyon-plugins"},{"binary_version":"4.9.7+repack1-1build1","binary_name":"veyon-service"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-14404.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}