{"id":"USN-3786-2","summary":"libxkbcommon vulnerabilities","details":"USN-3786-1 fixed several vulnerabilities in libxkbcommon. This\nupdate provides the corresponding update for Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that libxkbcommon incorrectly handled certain files.\n An attacker could possibly use this issue to cause a denial of service.\n (CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856,\n CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,\n CVE-2018-15862, CVE-2018-15863, CVE-2018-15864)\n\n","modified":"2026-02-10T04:41:26Z","published":"2018-11-06T14:53:08Z","related":["UBUNTU-CVE-2018-15853","UBUNTU-CVE-2018-15854","UBUNTU-CVE-2018-15855","UBUNTU-CVE-2018-15856","UBUNTU-CVE-2018-15857","UBUNTU-CVE-2018-15858","UBUNTU-CVE-2018-15859","UBUNTU-CVE-2018-15861","UBUNTU-CVE-2018-15862","UBUNTU-CVE-2018-15863","UBUNTU-CVE-2018-15864"],"upstream":["CVE-2018-15853","CVE-2018-15854","CVE-2018-15855","CVE-2018-15856","CVE-2018-15857","CVE-2018-15858","CVE-2018-15859","CVE-2018-15861","CVE-2018-15862","CVE-2018-15863","CVE-2018-15864","UBUNTU-CVE-2018-15853","UBUNTU-CVE-2018-15854","UBUNTU-CVE-2018-15855","UBUNTU-CVE-2018-15856","UBUNTU-CVE-2018-15857","UBUNTU-CVE-2018-15858","UBUNTU-CVE-2018-15859","UBUNTU-CVE-2018-15861","UBUNTU-CVE-2018-15862","UBUNTU-CVE-2018-15863","UBUNTU-CVE-2018-15864"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3786-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15853"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15854"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15855"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15856"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15857"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15858"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15859"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15861"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15862"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15863"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-15864"}],"affected":[{"package":{"name":"libxkbcommon","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libxkbcommon@0.8.0-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.8.0-1ubuntu0.1"}]}],"versions":["0.7.1-2","0.8.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.0-1ubuntu0.1","binary_name":"libxkbcommon-dev"},{"binary_version":"0.8.0-1ubuntu0.1","binary_name":"libxkbcommon-x11-0"},{"binary_version":"0.8.0-1ubuntu0.1","binary_name":"libxkbcommon-x11-dev"},{"binary_version":"0.8.0-1ubuntu0.1","binary_name":"libxkbcommon0"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3786-2.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2018-15853"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15854"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15855"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15856"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15857"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15858"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15859"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15861"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15862"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15863"},{"severity":[{"score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-15864"}],"ecosystem":"Ubuntu:18.04:LTS"}}}],"schema_version":"1.7.3"}