{"schema_version": "1.7.0", "id": "RLSA-2026:99865", "modified": "2026-11-14T06:04:47.372551Z", "published": "2026-11-14T06:01:31.887686Z", "upstream": ["CVE-2026-93520"], "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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-common", "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"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-debuginfo", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-debuginfo?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"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-debugsource", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-debugsource?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"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-devel", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-devel?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": "PowerTools"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-Xdmx", "purl": 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"pkg:rpm/rocky-linux/xorg-x11-server-debugsource?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": "PowerTools"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-devel", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-devel?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": "PowerTools"}}]}, {"package": {"ecosystem": "Rocky Linux:8", "name": "xorg-x11-server-source", "purl": "pkg:rpm/rocky-linux/xorg-x11-server-source?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": "PowerTools"}}]}], "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"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:99865"}}