{"schemaVersion":3,"id":"USN-6587-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"xorg-server vulnerabilities\n\nUSN-6587-1 fixed several vulnerabilities in X.Org. This update provides\nthe corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.\n\nOriginal advisory details:\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An\n attacker could possibly use this issue to cause the X Server to crash,\n obtain sensitive information, or execute arbitrary code. (CVE-2023-6816)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n reattaching to a different master device. An attacker could use this issue\n to cause the X Server to crash, leading to a denial of service, or possibly\n execute arbitrary code. (CVE-2024-0229)\n\n Olivier Fourdan and Donn Seeley discovered that the X.Org X Server\n incorrectly labeled GLX PBuffers when used with SELinux. An attacker could\n use this issue to cause the X Server to crash, leading to a denial of\n service. (CVE-2024-0408)\n\n Olivier Fourdan discovered that the X.Org X Server incorrectly handled\n the curser code when used with SELinux. An attacker could use this issue to\n cause the X Server to crash, leading to a denial of service.\n (CVE-2024-0409)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n memory when processing the XISendDeviceHierarchyEvent API. An attacker\n could possibly use this issue to cause the X Server to crash, or execute\n arbitrary code. (CVE-2024-21885)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled\n devices being disabled. An attacker could possibly use this issue to cause\n the X Server to crash, or execute arbitrary code. (CVE-2024-21886)","dates":{"published":"2024-01-22T13:13:33.000Z","modified":"2026-06-25T13:31:40.526Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"xorg-server","name":"xorg-server","label":"xorg-server","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/xorg-server","purlType":"deb","versions":[{"text":"< 2:1.18.4-0ubuntu0.12+esm9","noFixRecorded":false,"fixedIn":null},{"text":"< 2:1.19.6-1ubuntu4.15+esm4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.18.4-0ubuntu0.12+esm9 | < 2:1.19.6-1ubuntu4.15+esm4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6587-2","label":"ubuntu.com/security/notices/USN-6587-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-6816","label":"ubuntu.com/security/CVE-2023-6816","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-0229","label":"ubuntu.com/security/CVE-2024-0229","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-0408","label":"ubuntu.com/security/CVE-2024-0408","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-0409","label":"ubuntu.com/security/CVE-2024-0409","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-21885","label":"ubuntu.com/security/CVE-2024-21885","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-21886","label":"ubuntu.com/security/CVE-2024-21886","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-6816","CVE-2024-0229","CVE-2024-0408","CVE-2024-0409","CVE-2024-21885","CVE-2024-21886"],"downstream":[],"duplicates":[],"related":["CVE-2023-6816","CVE-2024-0229","CVE-2024-0408","CVE-2024-0409","CVE-2024-21885","CVE-2024-21886"]},"timeline":[{"kind":"published","date":"2024-01-22T13:13:33.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:40.526Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:34:31.048Z","stale":false,"partial":false}}