{"schemaVersion":3,"id":"MGASA-2017-0366","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated x11-server packages fix security vulnerabilities\n\nIn Xext/shm, the shmseg resource id can belong to a non-existing client\nand abort X server with FatalError \"client not in use\", or overwrite\nexisting segment of another existing client (CVE-2017-13721).\n\nGenerating strings for XKB data used a single shared static buffer,\nwhich offered several opportunities for errors when strings end up\nlonger than anticipated (CVE-2017-13723).","dates":{"published":"2017-10-09T09:51:10.000Z","modified":"2026-04-16T06:23:21.112Z","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":"mageia","product":"x11-server","name":"x11-server","label":"x11-server","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/x11-server","purlType":"rpm","versions":[{"text":"< 1.16.4-2.3.mga5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.16.4-2.3.mga5","eol":null,"hubHref":null},{"vendor":"mageia","product":"x11-server","name":"x11-server","label":"x11-server","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/x11-server","purlType":"rpm","versions":[{"text":"< 1.19.4-1.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.19.4-1.mga6","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2017-0366.html","label":"advisories.mageia.org/MGASA-2017-0366.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=21820","label":"bugs.mageia.org/show_bug.cgi?id=21820","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"http://openwall.com/lists/oss-security/2017/10/04/10","label":"openwall.com/lists/oss-security/2017/10/04/10","hostname":"openwall.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2017-13721","CVE-2017-13723"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-10-09T09:51:10.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T06:23:21.112Z","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":"2026-10-21T11:57:16.023Z","stale":false,"partial":false}}