{"schemaVersion":3,"id":"USN-3442-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libxfont, libxfont1, libxfont2 vulnerabilities\n\nIt was discovered that libXfont incorrectly handled certain patterns in\nPatternMatch. A local attacker could use this issue to cause libXfont to\ncrash, resulting in a denial of service, or possibly obtain sensitive\ninformation. (CVE-2017-13720)\n\nIt was discovered that libXfont incorrectly handled certain malformed PCF\nfiles. A local attacker could use this issue to cause libXfont to crash,\nresulting in a denial of service, or possibly obtain sensitive information.\n(CVE-2017-13722)","dates":{"published":"2017-10-10T13:02:08.000Z","modified":"2026-04-22T09:39:31.602Z","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":"libxfont","name":"libxfont","label":"libxfont","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libxfont","purlType":"deb","versions":[{"text":"< 1:1.4.7-1ubuntu0.3","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.5.1-1ubuntu0.16.04.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.4.7-1ubuntu0.3 | < 1:1.5.1-1ubuntu0.16.04.3","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"libxfont2","name":"libxfont2","label":"libxfont2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libxfont2","purlType":"deb","versions":[{"text":"< 1:2.0.1-3~ubuntu16.04.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:2.0.1-3~ubuntu16.04.2","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3442-1","label":"ubuntu.com/security/notices/USN-3442-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-13720","label":"ubuntu.com/security/CVE-2017-13720","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2017-13722","label":"ubuntu.com/security/CVE-2017-13722","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2017-13720","CVE-2017-13722"],"downstream":[],"duplicates":[],"related":["CVE-2017-13720","CVE-2017-13722"]},"timeline":[{"kind":"published","date":"2017-10-10T13:02:08.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:39:31.602Z","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":"2026-10-21T02:15:29.283Z","stale":false,"partial":false}}