{"schemaVersion":3,"id":"USN-4488-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"xorg-server vulnerabilities\n\nUSN-4488-1 fixed several vulnerabilities in X.Org. This update provides\nthe corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the\n input extension protocol. A local attacker could possibly use this issue to\n escalate privileges. (CVE-2020-14346)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized\n memory. A local attacker could possibly use this issue to obtain sensitive\n information. (CVE-2020-14347)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the\n XkbSelectEvents function. A local attacker could possibly use this issue to\n escalate privileges. (CVE-2020-14361)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the\n XRecordRegisterClients function. A local attacker could possibly use this\n issue to escalate privileges. (CVE-2020-14362)\n\n Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the\n XkbSetNames function. A local attacker could possibly use this issue to\n escalate privileges. (CVE-2020-14345)","dates":{"published":"2020-09-09T16:33:35.000Z","modified":"2026-04-22T10:07:28.025Z","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":"< 2:1.15.1-0ubuntu2.11+esm2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:1.15.1-0ubuntu2.11+esm2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-4488-2","label":"ubuntu.com/security/notices/USN-4488-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-14345","label":"ubuntu.com/security/CVE-2020-14345","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-14346","label":"ubuntu.com/security/CVE-2020-14346","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-14347","label":"ubuntu.com/security/CVE-2020-14347","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-14361","label":"ubuntu.com/security/CVE-2020-14361","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2020-14362","label":"ubuntu.com/security/CVE-2020-14362","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2020-14345","CVE-2020-14346","CVE-2020-14347","CVE-2020-14361","CVE-2020-14362"],"downstream":[],"duplicates":[],"related":["CVE-2020-14345","CVE-2020-14346","CVE-2020-14347","CVE-2020-14361","CVE-2020-14362"]},"timeline":[{"kind":"published","date":"2020-09-09T16:33:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T10:07:28.025Z","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":"2026-10-20T06:47:00.099Z","stale":false,"partial":false}}