{"id":"openSUSE-SU-2026:20544-1","summary":"Security update for xorg-x11-server","details":"This update for xorg-x11-server fixes the following issues:\n\n- CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap() (bsc#1260922).\n- CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom() (bsc#1260923).\n- CVE-2026-34001: XSYNC Use-after-free in miSyncTriggerFence() (bsc#1260924).\n- CVE-2026-34002: XKB Out-of-bounds read in CheckModifierMap() (bsc#1260925).\n- CVE-2026-34003: XKB Buffer overflow in CheckKeyTypes() (bsc#1260926).\n","modified":"2026-04-22T18:26:47.431181Z","published":"2026-04-15T15:56:59Z","related":["CVE-2026-33999","CVE-2026-34000","CVE-2026-34001","CVE-2026-34002","CVE-2026-34003"],"upstream":["CVE-2026-33999","CVE-2026-34000","CVE-2026-34001","CVE-2026-34002","CVE-2026-34003"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260922"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260923"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260924"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260925"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260926"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-33999"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34000"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34001"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34002"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-34003"}],"affected":[{"package":{"name":"xorg-x11-server","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.15-160000.4.1"}]}],"ecosystem_specific":{"binaries":[{"xorg-x11-server-source":"21.1.15-160000.4.1","xorg-x11-server-wrapper":"21.1.15-160000.4.1","xorg-x11-server":"21.1.15-160000.4.1","xorg-x11-server-Xvfb":"21.1.15-160000.4.1","xorg-x11-server-extra":"21.1.15-160000.4.1","xorg-x11-server-sdk":"21.1.15-160000.4.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:20544-1.json"}}],"schema_version":"1.7.5"}