{"schemaVersion":3,"id":"MGASA-2026-0529","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated x11-server, x11-server-xwayland, tigervnc packages fixes security vulnerabilities and a regression that crashes the X server with AMD GPUs\n\nXKB SetGeometry TextDoodad Double Free. (CVE-2026-88812)\nPresent Extension Cross-Window Notify Use-After-Free. (CVE-2026-93515)\nXInput Passive Grab modifierDevice Use-After-Free. (CVE-2026-93516)\nGLX RenderLarge Heap Buffer Overflow. (CVE-2026-93517)\nXKB ResizeKeyType Numeric Truncation. (CVE-2026-93518)\nXFixes Pointer Barrier Event List Buffer Overflow. (CVE-2026-93519)\nXKB ChangeKeycodeRange Heap Out-of-Bounds Write. (CVE-2026-93520)\nRandR ChangeProviderProperty Heap Buffer Overflow. (CVE-2026-93521)\nGlamor CopyArea CPU-FBO Heap Buffer Overflow. (CVE-2026-93522)\nXInput2 PassiveUngrabDevice Modifier Out-of-Bounds Write.\n(CVE-2026-93523)\nXKB SetMap Key Width/Action Count Desync Out-Of-Bounds Read.\n(CVE-2026-93524)\nGestureBuildSprite Use-After-Free. (CVE-2026-93536)","dates":{"published":"2026-10-20T15:57:48.000Z","modified":"2026-10-20T16:00:04.492Z","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":"< 1.15.0-7.3.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.15.0-7.3.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":"< 21.1.25-2.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 21.1.25-2.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":"< 24.1.14-1.mga10","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 24.1.14-1.mga10","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2026-0529.html","label":"advisories.mageia.org/MGASA-2026-0529.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36467","label":"bugs.mageia.org/show_bug.cgi?id=36467","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://www.openwall.com/lists/oss-security/2026/10/07/23","label":"www.openwall.com/lists/oss-security/2026/10/07/23","hostname":"www.openwall.com","tags":["WEB"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36488","label":"bugs.mageia.org/show_bug.cgi?id=36488","hostname":"bugs.mageia.org","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-88812","CVE-2026-93515","CVE-2026-93516","CVE-2026-93517","CVE-2026-93518","CVE-2026-93519","CVE-2026-93520","CVE-2026-93521","CVE-2026-93522","CVE-2026-93523","CVE-2026-93524","CVE-2026-93536"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-20T15:57:48.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-20T16:00:04.492Z","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":"2026-10-20T23:20:53.788Z","stale":false,"partial":false}}