{"id":"USN-3758-1","summary":"libx11 vulnerabilities","details":"Tobias Stoeckmann discovered that libx11 incorrectly handled certain images.\nAn attacker could possibly use this issue to access sensitive information\n(CVE-2016-7942)\n\nTobias Stoeckmann discovered that libx11 incorrectly handled certain inputs.\nAn attacker could possibly use this issue to access sensitive information.\n(CVE-2016-7943)\n\nIt was discovered that libx11 incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)\n","modified":"2026-04-22T09:49:10.620763Z","published":"2018-08-30T17:28:11Z","related":["UBUNTU-CVE-2016-7942","UBUNTU-CVE-2016-7943","UBUNTU-CVE-2018-14598","UBUNTU-CVE-2018-14599","UBUNTU-CVE-2018-14600"],"upstream":["CVE-2016-7942","CVE-2016-7943","CVE-2018-14598","CVE-2018-14599","CVE-2018-14600","UBUNTU-CVE-2016-7942","UBUNTU-CVE-2016-7943","UBUNTU-CVE-2018-14598","UBUNTU-CVE-2018-14599","UBUNTU-CVE-2018-14600"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3758-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7942"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7943"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14598"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14599"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-14600"}],"affected":[{"package":{"name":"libx11","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libx11@2:1.6.2-1ubuntu2.1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.6.2-1ubuntu2.1"}]}],"versions":["2:1.6.1-1ubuntu1","2:1.6.1-1ubuntu2","2:1.6.2-1ubuntu1","2:1.6.2-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.6.2-1ubuntu2.1","binary_name":"libx11-6"},{"binary_version":"2:1.6.2-1ubuntu2.1","binary_name":"libx11-data"},{"binary_version":"2:1.6.2-1ubuntu2.1","binary_name":"libx11-xcb1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"id":"CVE-2016-7942","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":"low"}]},{"id":"CVE-2016-7943","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":"low"}]},{"id":"CVE-2018-14598","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"}]},{"id":"CVE-2018-14599","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"}]},{"id":"CVE-2018-14600","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3758-1.json"}},{"package":{"name":"libx11","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libx11@2:1.6.3-1ubuntu2.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.6.3-1ubuntu2.1"}]}],"versions":["2:1.6.3-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.6.3-1ubuntu2.1","binary_name":"libx11-6"},{"binary_version":"2:1.6.3-1ubuntu2.1","binary_name":"libx11-data"},{"binary_version":"2:1.6.3-1ubuntu2.1","binary_name":"libx11-xcb1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2016-7942","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":"low"}]},{"id":"CVE-2016-7943","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":"low"}]},{"id":"CVE-2018-14598","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"}]},{"id":"CVE-2018-14599","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"}]},{"id":"CVE-2018-14600","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3758-1.json"}},{"package":{"name":"libx11","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libx11@2:1.6.4-3ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.6.4-3ubuntu0.1"}]}],"versions":["2:1.6.4-3"],"ecosystem_specific":{"binaries":[{"binary_version":"2:1.6.4-3ubuntu0.1","binary_name":"libx11-6"},{"binary_version":"2:1.6.4-3ubuntu0.1","binary_name":"libx11-data"},{"binary_version":"2:1.6.4-3ubuntu0.1","binary_name":"libx11-xcb1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2018-14598","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"}]},{"id":"CVE-2018-14599","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"}]},{"id":"CVE-2018-14600","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3758-1.json"}}],"schema_version":"1.7.5"}