{"id":"UBUNTU-CVE-2018-20176","details":"rdesktop versions up to and including v1.8.3 contain several Out-Of- Bounds Reads in the file secure.c that result in a Denial of Service (segfault).","modified":"2025-10-24T04:47:18Z","published":"2019-03-15T18:29:00Z","upstream":["CVE-2018-20176"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-20176"},{"type":"REPORT","url":"https://github.com/rdesktop/rdesktop/commit/766ebcf6f23ccfe8323ac10242ae6e127d4505d2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-20176"}],"affected":[{"package":{"name":"rdesktop","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/rdesktop@1.8.3-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.3-1"],"ecosystem_specific":{"binaries":[{"binary_name":"rdesktop","binary_version":"1.8.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20176.json"}},{"package":{"name":"rdesktop","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/rdesktop@1.8.3-2build1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.3-2","1.8.3-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"rdesktop","binary_version":"1.8.3-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-20176.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:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}