{"id":"RHSA-2026:98564","summary":"Red Hat Security Advisory: libX11 security update","modified":"2026-11-13T19:04:05.360686599Z","published":"2026-11-13T18:51:14Z","upstream":["CVE-2026-88806"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:98564"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2538514"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_98564.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-88806"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2026-88806"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88806"},{"type":"ARTICLE","url":"https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/309"}],"affected":[{"package":{"name":"libX11","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-common","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-debugsource","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-devel","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-xcb","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-xcb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}},{"package":{"name":"libX11-xcb-debuginfo","ecosystem":"Red Hat:enterprise_linux:10.3","purl":"pkg:rpm/redhat/libX11-xcb-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.8.13-1.el10_3.1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2026:98564.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}