{"id":"USN-3786-1","summary":"libxkbcommon vulnerabilities","details":"It was discovered that libxkbcommon incorrectly handled certain files.\nAn 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,\nCVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861,\nCVE-2018-15862, CVE-2018-15863, CVE-2018-15864)\n","modified":"2026-02-10T04:41:26Z","published":"2018-10-08T13:08:51Z","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-3786-1"},{"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:14.04:LTS","purl":"pkg:deb/ubuntu/libxkbcommon@0.4.1-0ubuntu1.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.1-0ubuntu1.1"}]}],"versions":["0.3.1-1","0.3.1-2","0.4.1-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxkbcommon-dev","binary_version":"0.4.1-0ubuntu1.1"},{"binary_name":"libxkbcommon-x11-0","binary_version":"0.4.1-0ubuntu1.1"},{"binary_name":"libxkbcommon-x11-dev","binary_version":"0.4.1-0ubuntu1.1"},{"binary_name":"libxkbcommon0","binary_version":"0.4.1-0ubuntu1.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2018-15853"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15854"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15855"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15856"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15857"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15859"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15861"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15862"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15863"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15864"}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3786-1.json"}},{"package":{"name":"libxkbcommon","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libxkbcommon@0.5.0-1ubuntu2.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.5.0-1ubuntu2.1"}]}],"versions":["0.5.0-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxkbcommon-dev","binary_version":"0.5.0-1ubuntu2.1"},{"binary_name":"libxkbcommon-x11-0","binary_version":"0.5.0-1ubuntu2.1"},{"binary_name":"libxkbcommon-x11-dev","binary_version":"0.5.0-1ubuntu2.1"},{"binary_name":"libxkbcommon0","binary_version":"0.5.0-1ubuntu2.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2018-15853"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15854"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15855"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15856"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15857"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15858"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15859"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15861"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15862"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15863"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-15864"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3786-1.json"}}],"schema_version":"1.7.3"}