{"id":"UBUNTU-CVE-2020-14347","details":"A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.","modified":"2026-04-22T14:03:48.567786Z","published":"2020-08-05T14:15:00Z","related":["USN-4488-1","USN-4488-2"],"upstream":["CVE-2020-14347"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-14347"},{"type":"REPORT","url":"https://lists.x.org/archives/xorg-announce/2020-July/003051.html"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2020/07/31/2"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4488-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4488-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-14347"}],"affected":[{"package":{"name":"xorg-server","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/xorg-server@2:1.15.1-0ubuntu2.11+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.15.1-0ubuntu2.11+esm2"}]}],"versions":["2:1.14.3-3ubuntu2","2:1.14.3-3ubuntu3","2:1.14.3-3ubuntu4","2:1.14.3-5ubuntu1","2:1.14.4-1ubuntu1","2:1.14.4-1ubuntu2","2:1.14.4.901-0ubuntu2","2:1.14.5-1ubuntu2","2:1.14.5-1ubuntu4","2:1.15.0-1ubuntu1","2:1.15.0-1ubuntu2","2:1.15.0-1ubuntu3","2:1.15.0-1ubuntu4","2:1.15.0-1ubuntu6","2:1.15.0-1ubuntu7","2:1.15.1-0ubuntu1","2:1.15.1-0ubuntu2","2:1.15.1-0ubuntu2.1","2:1.15.1-0ubuntu2.4","2:1.15.1-0ubuntu2.5","2:1.15.1-0ubuntu2.6","2:1.15.1-0ubuntu2.7","2:1.15.1-0ubuntu2.9","2:1.15.1-0ubuntu2.10","2:1.15.1-0ubuntu2.11"],"ecosystem_specific":{"availability":"Available 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