{"schemaVersion":3,"id":"MGASA-2026-0303","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated x11-server x11-server-xwayland tigervnc packages fix security vulnerabilities\n\nThe updated packages fix security vulnerabilities:\nglamor Font Atlas Heap Buffer Overflow. (CVE-2026-55999)\nGLX contextTags Use-After-Free in CommonMakeCurrent(). (CVE-2026-56000)","dates":{"published":"2026-07-27T22:45:13.000Z","modified":"2026-07-27T23:00:05.858Z","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":"tigervnc","name":"tigervnc","label":"tigervnc","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tigervnc","purlType":"rpm","versions":[{"text":"< 1.15.0-7.1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.15.0-7.1.mga10","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":"< 21.1.24-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 21.1.24-1.mga10","eol":null,"hubHref":null},{"vendor":"mageia","product":"x11-server-xwayland","name":"x11-server-xwayland","label":"x11-server-xwayland","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/x11-server-xwayland","purlType":"rpm","versions":[{"text":"< 24.1.13-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 24.1.13-1.mga10","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0303.html","label":"advisories.mageia.org/MGASA-2026-0303.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35860","label":"bugs.mageia.org/show_bug.cgi?id=35860","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.openwall.com/lists/oss-security/2026/07/08/2","label":"www.openwall.com/lists/oss-security/2026/07/08/2","hostname":"www.openwall.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2026-55999","CVE-2026-56000"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-07-27T22:45:13.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-27T23:00:05.858Z","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":"2026-10-20T21:30:43.495Z","stale":false,"partial":false}}