{"id":"RLSA-2026:99865","summary":"Moderate: xorg-x11-server security update","details":"X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.\n\nSecurity Fix(es):\n\n* xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling (CVE-2026-93520)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-11-14T06:30:02.463478393Z","published":"2026-11-14T06:01:31.887686Z","upstream":["CVE-2026-93520"],"database_specific":{"source_advisory":"RHSA-2026:99865","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:99865"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2545908"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:99865"}],"affected":[{"package":{"name":"xorg-x11-server-common","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/xorg-x11-server-common?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.20.11-28.el8_10.6"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:99865.json"}},{"package":{"name":"xorg-x11-server-debuginfo","ecosystem":"Rocky 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