INFO

RHSA-2026:38486: Important: xorg-x11-server security update

Red Hat Errata • Jul 13, 2026

HIGH

RHSA-2026:38487: Important: xorg-x11-server security update

Red Hat Errata • Jul 13, 2026

INFO

RHSA-2026:36085: Important: xorg-x11-server security update

Red Hat Errata • Jul 07, 2026

INFO

RHSA-2026:26610: Important: xorg-x11-server security, bug fix, and enhancement update

Red Hat Errata • Jun 17, 2026

INFO

RHSA-2026:26590: Important: xorg-x11-server-Xwayland security, bug fix, and enhancement update

Red Hat Errata • Jun 17, 2026

HIGH

CVE-2026-50258 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb key types due to unchecked shift levels

Microsoft Security Response Center • Jun 09, 2026

HIGH

CVE-2026-50263 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free information disclosure in createsaverwindow()

Microsoft Security Response Center • Jun 09, 2026

HIGH

CVE-2026-50261 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()

Microsoft Security Response Center • Jun 09, 2026

HIGH

CVE-2026-50259 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: stack buffer overflow in xkb setmap request via mapwidths indexing

Microsoft Security Response Center • Jun 09, 2026

HIGH

[UPDATE] [mittel] X.Org X11: Mehrere Schwachstellen ermöglichen nicht näher spezifizierte Auswirkungen, möglicherweise Codeausführung

BSI Germany • Jun 05, 2026

HIGH

[NEU] [mittel] X.Org X11 und Xwayland: Mehrere Schwachstellen

BSI Germany • Jun 02, 2026

INFO

RHSA-2026:21718: Important: xorg-x11-server security update

Red Hat Errata • May 28, 2026

INFO

RHSA-2026:21699: Important: xorg-x11-server security update

Red Hat Errata • May 28, 2026

HIGH

RHSA-2026:20557: Important: xorg-x11-server security update

Red Hat Errata • May 26, 2026

INFO

RHSA-2026:19343: Important: xorg-x11-server security update

Red Hat Errata • May 19, 2026

INFO

RHSA-2026:11692: Important: xorg-x11-server security update

Red Hat Errata • Apr 29, 2026

MEDIUM

CVE-2026-33999 Xorg: xwayland: x.org x server: denial of service via integer underflow in xkb compatibility map handling

Microsoft Security Response Center • Apr 29, 2026

MEDIUM

CVE-2026-34001 Xorg: xwayland: x.org x server: use-after-free vulnerability leads to server crash and potential memory corruption

Microsoft Security Response Center • Apr 29, 2026

MEDIUM

CVE-2026-34003 Xorg: xwayland: x.org x server: information exposure and denial of service via out-of-bounds memory access

Microsoft Security Response Center • Apr 29, 2026

INFO

RHSA-2026:11388: Important: xorg-x11-server security update

Red Hat Errata • Apr 28, 2026

HIGH

RHSA-2026:11369: Important: xorg-x11-server-Xwayland security update

Red Hat Errata • Apr 28, 2026

MEDIUM

[NEU] [mittel] X.Org X11, Xwayland: Mehrere Schwachstellen

BSI Germany • Apr 15, 2026